id:A159920 - OEIS Search Results

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Sums of the antidiagonals of Sundaram's sieve (A159919)

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4, 14, 32, 60, 100, 154, 224, 312, 420, 550, 704, 884, 1092, 1330, 1600, 1904, 2244, 2622, 3040, 3500, 4004, 4554, 5152, 5800, 6500, 7254, 8064, 8932, 9860, 10850, 11904, 13024, 14212, 15470, 16800, 18204, 19684, 21242, 22880, 24600, 26404 (list; graph; listen)

	OFFSET	`2,1`
	FORMULA	`(n-1)n(n+4)/3`
	EXAMPLE	`For n = 5, (459)/3 = 60`
	CROSSREFS	`Equals twice A005581 (for n>1)` `Sequence in context: A001740 A129395 A023539 this_sequence A036486 A023627 A023649` `Adjacent sequences: A159917 A159918 A159919 this_sequence A159921 A159922 A159923`
	KEYWORD	`easy,nonn`
	AUTHOR	`Russell Walsmith (ixitol(AT)gmail.com), Apr 26 2009`

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

AT&T Labs Research