A104349 Smallest prime formed by reverse concatenation of n consecutive square numbers, 0 if no such prime exists.

0, 41, 941, 576529484441, 1876918496182251795617689, 144121100816449, 841784729676625576529, 1537615129148841464114400141611392413689, 0, 3844372136003481336432493136302529162809

Offset

1,2

Links

Table of n, a(n) for n=1..10.

Example

a(3)=941 because 941 is the smallest prime formed from reverse concatenation of 3 consecutive square numbers i.e. 1,4 and 9.

Crossrefs

Sequence in context: A293619 A177418 A038397 * A091314 A059762 A368809

Adjacent sequences: A104346 A104347 A104348 * A104350 A104351 A104352

Keyword

base,nonn

Author

Shyam Sunder Gupta, Apr 17 2005

Status

approved