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A030486 When squared gives number composed of digits {2,5,6}. 1
5, 15, 16, 25, 75, 235, 475, 515, 516, 725, 5125, 7525, 22925, 23585, 72475, 505525, 515415, 2501125, 15008516, 23711235, 72267325, 149081275, 250133275, 256032335, 505228925, 2294919525, 5153315075, 15040686675, 50222133125 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..28.

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

Author?, Source(txt)

CROSSREFS

Cf. A030484.

Sequence in context: A291627 A045856 A102185 * A101238 A109161 A065908

Adjacent sequences:  A030483 A030484 A030485 * A030487 A030488 A030489

KEYWORD

nonn,base

AUTHOR

Patrick De Geest

EXTENSIONS

Extended and corrected by author 03/2000.

More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 03 2005

STATUS

approved

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Last modified July 2 21:48 EDT 2022. Contains 355029 sequences. (Running on oeis4.)