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equidigital n.  and  Hogben n.

First numbers that belong to both sets:

1, 3, 7, 13, 21, 31, 43, 73, 111, 133, 157, 183, 211, 241, 307, 421, 463, 553, 601, 757, 1057, 1123, 1191, 1261, 1333, 1407, 1483, 1561, 1641, 1723, 1893, 1981, 2257, 2551, 2653, 2757, 2863, 2971, 3307, 3541, 3661, 3907, 4291, 4423, 4831, 5113, 5257, 5701, 6007, 6163, 6481, 8011, 8191, 9901, 10303, 10507, 10713, 10921, 11131, 11773, 11991, 12211, 12433, 12657, 12883, 13111, 13341, 13573, 13807, 14281, 15007, 15253, 15501, 15751, 16257, 16513, 16771, 17031, 17293, 17557, 18091, 18361, 18633, 18907, 19183, 20023, 20307, 20593, 21171, 21757, 22053, 22651, 23563, 24181, 24493, 24807, 25123, 26083, 26407, 27061, 27723, 28057, 28393, 29071, 29413, 30103, 30451, 31153, 31507, 32221, 34783, 35533, 35911, 37057, 37831, 40201, 41413, 42643, 43057, 43891, 44311, 45157, 45583, 46441, 47743, 48181, 51757, 52213, 53593, 54523, 55933, 57841, 60271, 60763, 62251, 65281, 67861, 68383, 71023, 74257, 77563, 78121, 82657, 83233, 84391, 86143, 95791, 98283, 98911, 100173, 100807, 101443, 102081, 102721, 103363, 104007, 104653, 105951, 106603, 107257, 108571, 109231, 109893, 110557, 111223, 112561, 113233, 113907, 114583, 115261, 115941, 116623, 117307, 118681, 119371, 121453, 122851, 123553, 124257, 124963, 127093, 127807, 128523, 129241, 129961, 130683, 131407, 132133, 132861, 134323, 136531, 137271, 138013, 141001, 141753, 142507, 143263, 144021, 145543, 146307, 147073, 147841, 148611, 150933, 151711, 154057, 155631, 156421, 157213, 158803, 161203, 162007, 162813, 163621, 164431, 166057, 166873, 167691, 169333, 170983, 171811, 172641, 173473, 174307, 175143, 177663, 178507, 180201, 181903, 182757, 183613, 184471, 186193, 188791, 189661, 191407, 193161, 194041, 194923, 195807, 196693, 199363, 200257, 202051, 202951, 204757, 205663, 207481, 208393, 209307, 212061, 212983, 213907, 216691, 220431, 223257, 224203, 225151, 226101, 227053, 229921, 230881, 239611, 241573, 242557, 243543, 245521, 246513, 248503, 249501, 250501, 256543, 257557, 259591, 261633, 262657, 264711, 265741, 267807, 268843.

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