id:A004255 - OEIS Search Results

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n(n+1)(n^2 -3n + 6)/8.
(Formerly M2794)

+0
4

1, 3, 9, 25, 60, 126, 238, 414, 675, 1045, 1551, 2223, 3094, 4200, 5580, 7276, 9333, 11799, 14725, 18165, 22176, 26818, 32154, 38250, 45175, 53001, 61803, 71659 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	S. Plouffe, Approximations de S\'{e}ries G\'{e}n\'{e}ratrices et Quelques Conjectures}, Dissertation, Universit\'{e} du Qu\'{e}bec \`{a} Montr\'{e}al, 1992. S. Plouffe, 1031 Generating Functions and Conjectures, Universit\'{e} du Qu\'{e}bec \`{a} Montr\'{e}al, 1992.
	MAPLE	`A004255:=-(1-2z+4z2)/(-1+z)5; [Conjectured by S. Plouffe in his 1992 dissertation.]`
	CROSSREFS	`Partial sums of A060354. Equals (1/2) A062026.` `Sequence in context: A005209 A112522 A005262 this_sequence A101357 A065971 A096260` `Adjacent sequences: A004252 A004253 A004254 this_sequence A004256 A004257 A004258`
	KEYWORD	`nonn`
	AUTHOR	`Dennis S. Kluk (mathemagician(AT)ameritech.net)`

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Last modified September 5 01:44 EDT 2008. Contains 143476 sequences.

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