A081731 - OEIS

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A081731

a(n)=1/60*(A000364(n+2)-A000364(n)).

1, 23, 841, 45023, 3321841, 323146823, 40078005241, 6172529945423, 1155774491891041, 258569396539480823, 68116719340312179241, 20870735447824438473023, 7358996769608563523829841 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	CROSSREFS	`Cf. A000364, A060075.` `Sequence in context: A152183 A027410 A158505 * A183523 A008961 A139193` `Adjacent sequences: A081728 A081729 A081730 * A081732 A081733 A081734`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 06 2003`

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Last modified February 15 16:56 EST 2012. Contains 205825 sequences.