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A054259 Squares having last digit equal to the sum of the other digits. 1
729, 1089, 1225, 3025, 3249, 15129, 21025, 21609, 23409, 31329, 205209, 2241009, 14040009, 15000129, 20223009, 23011209, 104101209, 110313009, 1000014129, 1004010012009, 1010031030009, 10004001000120009, 10010003100300009 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..22.

MATHEMATICA

Select[Range[101*10^6]^2, Length[Union[Total/@TakeDrop[IntegerDigits[#], -1]]] == 1&] (* Harvey P. Dale, Aug 26 2019 *)

CROSSREFS

Cf. A030134.

Sequence in context: A214106 A045791 A088035 * A202455 A046319 A119710

Adjacent sequences:  A054256 A054257 A054258 * A054260 A054261 A054262

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Feb 15 2000

STATUS

approved

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Last modified February 29 03:26 EST 2020. Contains 332353 sequences. (Running on oeis4.)