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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. 0
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 (list; graph; refs; listen; history; text; internal format)
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: A235717 A319388 A291334 * A030666 A030676 A264604

Adjacent sequences:  A175686 A175687 A175688 * A175690 A175691 A175692

KEYWORD

base,nonn

AUTHOR

Claudio Meller, Aug 09 2010

STATUS

approved

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Last modified April 19 21:57 EDT 2021. Contains 343117 sequences. (Running on oeis4.)