A353003 Indices k where A225401(k) = 0.

3, 23, 26, 32, 42, 46, 48, 51, 54, 84, 100, 101, 119, 123, 136, 184, 185, 202, 206, 216, 241, 263, 265, 272, 273, 284, 293, 323, 325, 332, 351, 352, 362, 392, 400, 406, 408, 410, 425, 432, 447, 449, 450, 466, 484, 488, 490, 497, 498, 509, 512, 522, 532, 534, 573, 585, 593, 595

Offset

1,1

Comments

These are also the indices k such that A352992(k+1) < A352992(k).

Links

Table of n, a(n) for n=1..58.

Example

3 is a term because A225401(3) = 0; and we have A352992(4)=753 < A352992(3)=1753.

Prog

(PARI) lista(nn) = {my(n=0, list = List()); for(i=1, nn, m=7*(10^i-1)/9; for(x=0, 9, if(((n+(x*10^(i-1)))^3)%(10^i)==m, n=n+(x*10^(i-1)); if (x==0, listput(list, i-1)); break; ); ); ); Vec(list); } \\ after A225401

Crossrefs

Cf. A225401, A352992.

Sequence in context: A299609 A238198 A178177 * A124076 A153834 A323010

Adjacent sequences: A353000 A353001 A353002 * A353004 A353005 A353006

Keyword

nonn,base

Author

Michel Marcus, Apr 15 2022

Status

approved