The On-Line Encyclopedia of Integer Sequences® (OEIS®)

Revision History for A352608 (Underlined text is an addition; strikethrough text is a ~~deletion~~.)
Showing all changes.

A352608

a(n) = Bell(n)*n!!.
(history; published version)

#5 by Peter Luschny at Wed Mar 23 12:52:36 EDT 2022

STATUS

editing

approved

#4 by Peter Luschny at Wed Mar 23 12:52:33 EDT 2022

CROSSREFS

STATUS

approved

editing

#3 by Peter Luschny at Wed Mar 23 12:49:24 EDT 2022

STATUS

editing

approved

#2 by Peter Luschny at Wed Mar 23 12:48:45 EDT 2022

	NAME	`allocated for Peter Luschny` `a(n) = Bell(n)*n!!.`
	DATA	`1, 1, 4, 15, 120, 780, 9744, 92085, 1589760, 19983915, 445344000, 7053735150, 194162549760, 3735730993995, 123152970608640, 2803291544678625, 108175188829962240, 2855475766145702700, 126726160086516695040, 3818865908630429932275, 192201344414226343526400`
	OFFSET	`0,3`
	FORMULA	`a(n) = A000110(n)*A006882(n).`
	MAPLE	`seq(doublefactorial(n)*combinat:-bell(n), n=0..20);`
	CROSSREFS	`Cf. A000110, A006882.`
	KEYWORD	`allocated` `nonn`
	AUTHOR	`Peter Luschny, Mar 23 2022`
	STATUS	`approved` `editing`

#1 by Peter Luschny at Wed Mar 23 07:56:47 EDT 2022

Last modified August 29 17:19 EDT 2024. Contains 375518 sequences. (Running on oeis4.)