OFFSET

1,1

EXAMPLE

The first term is 14400146411488415129 which is a prime and is the concatenation of 14400,14641,14884 and 15129 which are four consecutive square numbers.

MATHEMATICA

Select[FromDigits[Flatten[IntegerDigits/@#]]&/@Partition[Range[1000]^2, 4, 1], PrimeQ] (* Harvey P. Dale, Apr 06 2023 *)

CROSSREFS

KEYWORD

base,nonn

AUTHOR

Shyam Sunder Gupta, Apr 17 2005

STATUS

approved