id:A077168 - OEIS Search Results

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Triangle formed by grouping the natural numbers so that the n-th group contains n numbers whose product is a factorial.

+0
4

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 259200, 15, 16, 17, 18, 19, 87178291200, 20, 21, 22, 23, 24, 25, 202741834014720, 26, 27, 28, 29, 30, 31, 32, 484725313854093312000000, 33, 34, 35, 36, 37, 38, 39, 40 (list; table; graph; listen)

	OFFSET	`0,2`
	EXAMPLE	`Triangle begins:` `1` `2 3` `4 5 6` `7 8 9 10` `11 12 13 14 259200` `15 16 17 18 19 87178291200`
	CROSSREFS	`Cf. A077169, A077170.` `Sequence in context: A044916 A065672 A065673 this_sequence A102452 A000401 A023807` `Adjacent sequences: A077165 A077166 A077167 this_sequence A077169 A077170 A077171`
	KEYWORD	`nonn,tabl`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 01 2002`
	EXTENSIONS	`More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Feb 10 2003`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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