A044325 Numbers k such that the string 8,2 occurs in the base 9 representation of k but not of k-1.

74, 155, 236, 317, 398, 479, 560, 641, 666, 722, 803, 884, 965, 1046, 1127, 1208, 1289, 1370, 1395, 1451, 1532, 1613, 1694, 1775, 1856, 1937, 2018, 2099, 2124, 2180, 2261, 2342, 2423, 2504, 2585, 2666, 2747, 2828, 2853, 2909, 2990, 3071, 3152, 3233, 3314, 3395, 3476

Offset

1,1

Links

Paolo Xausa, Table of n, a(n) for n = 1..10000

Mathematica

A044325Q[k_] := StringContainsQ[IntegerString[k, 9], "82"] && StringFreeQ[IntegerString[k - 1, 9], "82"];
Select[Range[5000], A044325Q] (* Paolo Xausa, Oct 07 2025 *)

Crossrefs

Cf. A007095.

Sequence in context: A300681 A309143 A365201 * A044706 A217991 A105053

Adjacent sequences: A044322 A044323 A044324 * A044326 A044327 A044328

Keyword

nonn,base

Author

Clark Kimberling

Extensions

More terms from Paolo Xausa, Oct 07 2025

Status

approved