A076395 Squares whose external digits form a square and whose internal digits form a prime.

225, 1296, 2025, 3136, 15876, 30976, 112896, 125316, 181476, 306916, 343396, 355216, 364816, 376996, 391876, 1028196, 1179396, 1218816, 1527696, 1572516, 1679616, 1838736, 3041536, 3083536, 3189796, 3290596, 3334276, 3407716, 3701776

Offset

1,1

Links

Table of n, a(n) for n=1..29.

Example

15876 = 126^2 and external digits 16 is a square; internal digits 587 is prime.

Crossrefs

Sequence in context: A091078 A272674 A242381 * A203829 A105925 A014771

Adjacent sequences: A076392 A076393 A076394 * A076396 A076397 A076398

Keyword

base,less,nonn

Author

Jason Earls, Nov 07 2002

Extensions

Offset changed by Andrew Howroyd, Sep 18 2024

Missing 1028196 inserted by Sean A. Irvine, Apr 03 2025

Status

approved