A058423 Numbers k such that k^2 contains only digits {0,2,4}, not ending with zero.

2, 1498, 6498, 20602, 148998, 2006002, 6343832, 47351898, 200060002, 201002498, 20000600002, 46929738998, 2000006000002, 200000060000002, 1562062816343832, 20000000600000002, 2000000006000000002, 200000000060000000002, 20000000000600000000002

Offset

1,1

Links

Zhao Hui Du, Table of n, a(n) for n = 1..24

P. De Geest, Index to related sequences

Hisanori Mishima, Sporadic tridigital solutions

Crossrefs

Cf. A058424.

Sequence in context: A339543 A023291 A319329 * A233906 A329775 A226699

Adjacent sequences: A058420 A058421 A058422 * A058424 A058425 A058426

Keyword

nonn,base

Author

Patrick De Geest, Nov 15 2000

Extensions

a(16) and above from Zhao Hui Du, Mar 08 2024

Status

approved