A245371 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A245371

Square numbers that remain square when their 2 most-significant (or leftmost) digits in base 10 are removed.

1

16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 289, 324, 361, 400, 441, 484, 529, 729, 784, 841, 900, 961, 1225, 1600, 1681, 1764, 1849, 1936, 2025, 2116, 2209, 2304, 2401, 2500, 2601, 2704, 2809, 2916, 3025, 3136, 3249, 3364, 3481, 3600, 4225, 4900, 5625, 6400

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Chai Wah Wu, Table of n, a(n) for n = 1..4137

EXAMPLE

9150625 and 50625 are both squares.

CROSSREFS

Sequence in context: A100647 A375116 A374934 * A235717 A368049 A319388

Adjacent sequences: A245368 A245369 A245370 * A245372 A245373 A245374

KEYWORD

nonn,base

AUTHOR

Chai Wah Wu, Nov 14 2014

STATUS

approved