A077356 Squares whose external digits (MSD and LSD) form a square. Or squares from which deleting the internal digits leaves a square.

0, 1, 4, 9, 16, 25, 36, 49, 64, 81, 196, 225, 841, 1156, 1296, 1936, 2025, 3136, 4489, 6084, 6724, 8281, 10816, 11236, 12996, 13456, 15376, 15876, 17956, 18496, 21025, 24025, 27225, 30276, 30976, 33856, 34596, 37636, 38416, 41209, 42849

Offset

0,3

Links

Table of n, a(n) for n=0..40.

Example

10816=104^2 is a member as deleting its internal digits (081) leaves 16, a square.

Crossrefs

Cf. A077355, A077357.

Sequence in context: A052062 A052046 A078255 * A077357 A294497 A080160

Adjacent sequences: A077353 A077354 A077355 * A077357 A077358 A077359

Keyword

base,nonn

Author

Amarnath Murthy, Nov 05 2002

Extensions

More terms from Erich Friedman, Aug 08 2005

0 inserted by Jon E. Schoenfield, Jan 15 2014

Status

approved