id:A104343 - OEIS Search Results

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

+0
2

0, 6481, 149, 14400146411488415129, 2464924964252812560025921, 4916253649, 496481100121144169, 36003721384439694096422543564489, 0, 47524479614840048841492844972950176506255107651529 (list; graph; listen)

	OFFSET	`1,2`
	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: A105377 A067928 A087351 this_sequence A104242 A031842 A028544` `Adjacent sequences: A104340 A104341 A104342 this_sequence A104344 A104345 A104346`
	KEYWORD	`base,nonn`
	AUTHOR	`Shyam Sunder Gupta (guptass(AT)rediffmail.com), Apr 17 2005`

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.

AT&T Labs Research