A241971 Numbers congruent to some square mod 10^k for all values of k.

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.

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