A308311 Numbers n which are palindromic in base b, where b = sum of digits of n in base 10.

16, 39, 41, 55, 96, 104, 123, 130, 141, 142, 155, 170, 181, 187, 214, 239, 250, 251, 260, 262, 274, 341, 343, 365, 385, 418, 422, 424, 435, 443, 464, 471, 494, 503, 505, 507, 543, 562, 599, 632, 665, 685, 706, 708, 753, 754, 818, 823, 835, 838, 843, 850, 859

Offset

1,1

Links

Metin Sariyar, Table of n, a(n) for n = 1..10000

Caldwell and Honaker, Prime Curio for 41.

Example

41 is a term because 41 = 131 in base 5 = 1 + 4.

Mathematica

Select[Range[10^5], #==IntegerReverse[#, Total[IntegerDigits[#]]]&]

Prog

(PARI) isok(n) = my(s=sumdigits(n)); if (s> 1, my(d = digits(n, s)); d == Vecrev(d)); \\ Michel Marcus, Sep 26 2019

Crossrefs

Cf. A007632.

Sequence in context: A070585 A253435 A253159 * A121375 A342976 A347410

Adjacent sequences: A308308 A308309 A308310 * A308312 A308313 A308314

Keyword

nonn,base

Author

Metin Sariyar, Sep 26 2019

Status

approved