login
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
OFFSET
1,2
COMMENTS
Union of squares and A241081.
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
KEYWORD
nonn
AUTHOR
J. Lowell, May 03 2014
STATUS
approved