A061663 Numbers k > 1 such that, in base 9, k and k^2 contain the same digits in the same proportion.

2890, 26010, 188722, 234090, 235954, 260416, 390688, 484094, 511234, 1621474, 1651654, 1698498, 1953842, 2022214, 2106810, 2123586, 2202230, 2283388, 2296028, 2343744, 2485838, 2496508, 2559962, 2595386, 2627210, 2841118, 3091018, 3118760, 3309540, 3334316, 3483208

Offset

1,1

Links

Ray Chandler, Table of n, a(n) for n = 1..1000

Example

2890 = 3861_9 and 2890^2 = 16638831_9.

Crossrefs

Cf. A061656, A061657, A061658, A061659, A061660, A061661, A061662, A114258, A061664.

Sequence in context: A107571 A072016 A253402 * A205051 A262418 A235816

Adjacent sequences: A061660 A061661 A061662 * A061664 A061665 A061666

Keyword

base,easy,nonn

Author

Erich Friedman, Jun 16 2001

Extensions

More terms from Naohiro Nomoto, Oct 04 2001

Offset changed to 1 by Alois P. Heinz, May 10 2015

Terms a(13)-a(31) and beyond from Seiichi Manyama, Aug 20 2023

Status

approved