id:A050297 - OEIS Search Results

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Number of scalars which can be constructed from the Riemann tensor and metric tensor in n dimensions.

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0, 1, 3, 14, 40, 90, 175, 308, 504, 780, 1155, 1650, 2288, 3094, 4095, 5320, 6800, 8568, 10659, 13110, 15960, 19250, 23023, 27324, 32200, 37700, 43875, 50778, 58464, 66990, 76415, 86800, 98208, 110704, 124355, 139230, 155400, 172938 (list; graph; listen)

	OFFSET	`1,3`
	LINKS	`Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.`
	FORMULA	`a(2)=1, otherwise a(n)=n(n-1)(n-2)(n+3)/12`
	CROSSREFS	`Sequence in context: A102590 A034130 A005701 this_sequence A117662 A104905 A055650` `Adjacent sequences: A050294 A050295 A050296 this_sequence A050298 A050299 A050300`
	KEYWORD	`nonn`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com)`

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Last modified November 24 14:25 EST 2009. Contains 167438 sequences.

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