A058423 - OEIS

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A058423

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

2

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

(list; graph; refs; listen; history; text; internal format)

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

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