A175689 a(n) is the smallest square that has n as a string immediately before the final digit, or 0 if no such number exists.

16, 25, 36, 49, 256, 64, 576, 81, 196, 100, 2116, 121, 3136, 144, 1156, 169, 50176, 5184, 196, 2209, 9216, 225, 11236, 3249, 256, 43264, 30276, 289, 1296, 2304, 21316, 324, 24336, 35344, 4356, 361, 15376, 16384, 7396, 400, 38416, 17424, 42436, 441

Offset

1,1

Comments

The first 0 term is a(101): there is no square that ends in "101X".

Links

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

Crossrefs

Sequence in context: A368049 A319388 A291334 * A030666 A030676 A264604

Adjacent sequences: A175686 A175687 A175688 * A175690 A175691 A175692

Keyword

base,nonn

Author

Claudio Meller, Aug 09 2010

Status

approved