id:A077746 - OEIS Search Results

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Group the natural numbers such that the n-th group contains p(n-1) numbers, where p(n-1) is the product of the members of (n-1)-th group, starting with the first group which has one term: (1), (2), (3, 4), (5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16), (17, 18, ..., 871782912015, 871782912016), ... Sequence contains the sum of the groups.

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1, 2, 7, 168, 380002722841984290048000 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(6) = (871782912016!/16!)[(871782912016!/16!)+1]/2 - 136 is too large to include. - Sam Alexander (amnalexander(AT)yahoo.com), Oct 26 2003`
	CROSSREFS	`Adjacent sequences: A077743 A077744 A077745 this_sequence A077747 A077748 A077749` `Sequence in context: A062617 A064607 A005345 this_sequence A159034 A120381 A042359`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 20 2002`

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Last modified November 8 20:39 EST 2009. Contains 166234 sequences.

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