|
COMMENTS
|
Conjecture: each term consists of at least n-1 digits 1. - Chai Wah Wu, Dec 10 2015
Terms for which the digit d is the other digit besides the 1's:
d:
0: 3, 5, 6, 8, 9, 12, 17, 18, 20, 24, 26, 29, 30, 32, 33, 35, 36, 38, 39, 42, ..., ; n cannot be congruent to 1 (mod 3);
1: 2, 19, 23, not 317, nor 1031, ..., (see A004023); n cannot be congruent to 0 (mod 3)
2: 1, 10, 34, 46, 67, 75, 100, 103, 142, 148, 154, 175, 198, 232, 244, 274, ..., ;
3: 11, 63, 69, 71, 87, 123, 125, 165, 191, 197, 203, 239, 254, 255, 275, 279, ..., ;
4: 14, 31, 55, 76, 85, 91, 95, 109, 121, 127, 130, 143, 155, 163, 166, 178, ..., ;
5: 7, 22, 28, 37, 45, 52, 60, 94, 111, 132, 133, 139, 159, 160, 172, 184, ..., ;
6: 15, 41, 57, 59, 135, 156, 171, 213, 311, 336, 339, 345, 347, 350, 431, ..., ;
7: 4, 40, 47, 58, 64, 70, 101, 106, 112, 115, 118, 131, 136, 145, 157, 169, ..., ;
8: 13, 16, 25, 43, 49, 61, 73, 79, 82, 88, 93, 97, 99, 117, 124, 141, 151, ..., ;
9: 21, 27, 65, 81, 119, 167, 179, 183, 189, 237, 242, 287, 299, 333, 356, ..., . (End)
|