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A053887 Squares composed of digits {1,2,8}. 2
1, 81, 121, 8281, 11881, 128881, 11282881, 228281881, 1112822881, 111128222881, 11111282222881, 222128888112121, 228828882122281, 812121128112121, 1111112822222881, 8181222218111881, 111111128222222881 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..17.

P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences

CROSSREFS

Cf. A053886.

Sequence in context: A253261 A280587 A273372 * A119943 A001245 A186463

Adjacent sequences:  A053884 A053885 A053886 * A053888 A053889 A053890

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Mar 15 2000

STATUS

approved

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Last modified December 2 08:31 EST 2021. Contains 349437 sequences. (Running on oeis4.)