A104263 Primes which are the concatenation of four consecutive square numbers.

14400146411488415129, 39204396014000040401, 44100445214494445369, 54756552255569656169, 90000906019120491809, 381924383161384400385641, 501264502681504100505521, 518400519841521284522729

Offset

1,1

Links

Table of n, a(n) for n=1..8.

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

Sequence in context: A253389 A257307 A115540 * A221558 A114993 A175273

Adjacent sequences: A104260 A104261 A104262 * A104264 A104265 A104266

Keyword

base,nonn

Author

Shyam Sunder Gupta, Apr 17 2005

Status

approved