id:A006323 - OEIS Search Results

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4-dimensional analogue of centered polygonal numbers.

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1

1, 10, 41, 115, 260, 511, 910, 1506, 2355, 3520, 5071, 7085, 9646, 12845, 16780, 21556, 27285, 34086, 42085, 51415, 62216, 74635, 88826, 104950, 123175, 143676, 166635, 192241, 220690, 252185, 286936, 325160, 367081, 412930 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`7*C(n + 2, 4) + C(n + 1, 2).`
	CROSSREFS	`Sequence in context: A016082 A003355 A022278 this_sequence A102784 A061003 A048879` `Adjacent sequences: A006320 A006321 A006322 this_sequence A006324 A006325 A006326`
	KEYWORD	`nonn,easy`
	AUTHOR	`Albert Rich (Albert_Rich(AT)msn.com)`

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

AT&T Labs Research