id:A133327 - OEIS Search Results

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Indices of the 7-gonal numbers which are the sum of 2 consecutive 7-gonal numbers.

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1, 241, 19265, 9435905, 755214769, 369906335809 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`The bisections modulo 2 satisfy the same recurrence relation : a(n+2)=39202*a(n+1)-a(n)-11760`
	CROSSREFS	`Sequence in context: A008349 A094732 A119728 this_sequence A001361 A120377 A060110` `Adjacent sequences: A133324 A133325 A133326 this_sequence A133328 A133329 A133330`
	KEYWORD	`nonn`
	AUTHOR	`R. Choulet (richardchoulet(AT)yahoo.fr), Oct 18 2007`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.