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A027677 When squared gives number composed of digits {1,4,6}. 1
1, 2, 4, 8, 12, 21, 38, 108, 119, 121, 129, 204, 408, 804, 2538, 3408, 6642, 12908, 25771, 78196, 81619, 333858, 204000408, 668164962, 813118358, 4018285038, 12006850738, 12694138988, 12706943631, 40182224262, 40578463021 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..31.

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

P. De Geest, Palindromic Squares

A. Ottens, The arithmetic-digits-squares-three.digits problem

Eric Weisstein's World of Mathematics, Square Number

CROSSREFS

Cf. A027676.

Sequence in context: A076651 A081410 A217694 * A103787 A032473 A084422

Adjacent sequences:  A027674 A027675 A027676 * A027678 A027679 A027680

KEYWORD

nonn,base

AUTHOR

Patrick De Geest

STATUS

approved

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Last modified December 18 21:01 EST 2018. Contains 318245 sequences. (Running on oeis4.)