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A241971 Numbers congruent to some square mod 10^k for all values of k. 0
1, 4, 9, 16, 25, 36, 41, 49, 64, 81, 89, 100, 121, 129, 144, 161, 164, 169, 196, 201, 209, 225, 241, 249, 256, 281, 289, 321, 324, 329, 356, 361, 369, 400, 401, 409, 441, 449, 481, 484, 489, 516, 521, 529, 561, 569, 576, 601, 609, 625 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Union of squares and A241081.

LINKS

Table of n, a(n) for n=1..50.

EXAMPLE

41 is a term because there are squares ending in ...0041 for any number of 0's.

CROSSREFS

Cf. A241081 (nonsquare numbers in this sequence).

Sequence in context: A070460 A070459 A292676 * A335640 A302053 A162496

Adjacent sequences:  A241968 A241969 A241970 * A241972 A241973 A241974

KEYWORD

nonn

AUTHOR

J. Lowell, May 03 2014

STATUS

approved

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Last modified September 29 07:07 EDT 2022. Contains 357082 sequences. (Running on oeis4.)