id:A005460 - OEIS Search Results

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(3n+4)(n+3)!/24.
(Formerly M4433)

+0
4

1, 7, 50, 390, 3360, 31920, 332640, 3780000, 46569600, 618710400, 8821612800, 134399865600, 2179457280000, 37486665216000, 681734237184000, 13071512982528000 (list; graph; listen)

	OFFSET	`0,2`
	REFERENCES	`R. K. Guy, personal communication.`
	LINKS	`Milan Janjic, Enumerative Formulas for Some Functions on Finite Sets`
	FORMULA	`Expansion of (1+2x) / (1-x)^5.` `Essentially Stirling numbers of second kind - see A028246.`
	CROSSREFS	`Sequence in context: A081189 A108869 A065429 this_sequence A053155 A041086 A015495` `Adjacent sequences: A005457 A005458 A005459 this_sequence A005461 A005462 A005463`
	KEYWORD	`nonn,easy`
	AUTHOR	`njas`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

AT&T Labs Research