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A077357 Squares whose external digits (MSD and LSD) as well as internal digits form squares. 4
1, 4, 9, 16, 25, 36, 49, 64, 81, 196, 841, 10816, 38416, 132496, 405769, 3013696, 8003241, 10010896, 17106496, 82246761, 1021697296, 32747969296, 86925318561, 119013960256, 3495164855296, 4974001681009, 6323524974244, 60207636572164 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Common members of A077355, A077356.

LINKS

Table of n, a(n) for n=1..28.

EXAMPLE

10816=104^2 is a member as its internal digits 081 as well as the external digits 16 are squares.

CROSSREFS

Cf. A077355, A077356.

Sequence in context: A052046 A078255 A077356 * A080160 A110723 A084617

Adjacent sequences:  A077354 A077355 A077356 * A077358 A077359 A077360

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 05 2002

EXTENSIONS

More terms from Erich Friedman, Aug 08 2005

a(25)-a(28) from Donovan Johnson, Sep 09 2008

STATUS

approved

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Last modified May 23 21:22 EDT 2013. Contains 225611 sequences.