A104343 Smallest prime formed by concatenation of n consecutive square numbers, 0 if no such prime exists.

0, 6481, 149, 14400146411488415129, 2464924964252812560025921, 4916253649, 496481100121144169, 36003721384439694096422543564489, 0, 47524479614840048841492844972950176506255107651529

Offset

1,2

Comments

Essentially the same as A087351. [From R. J. Mathar, Aug 28 2008]

Links

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

Example

a(3)=149 because 149 is the smallest prime formed from concatenation of 3 consecutive square numbers i.e. 1,4 and 9.

Crossrefs

Sequence in context: A190012 A362878 A087351 * A207837 A104242 A031842

Adjacent sequences: A104340 A104341 A104342 * A104344 A104345 A104346

Keyword

base,nonn

Author

Shyam Sunder Gupta, Apr 17 2005

Status

approved