A030486 When squared gives number composed of digits {2,5,6}.

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

Offset

1,1

Links

Zhao Hui Du, Table of n, a(n) for n = 1..44

Patrick 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