id:A092411 - OEIS Search Results

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sigma(n,2)+sigma(n+1,2).

+0
1

6, 15, 31, 47, 76, 100, 135, 176, 221, 252, 332, 380, 420, 510, 601, 631, 745, 817, 908, 1046, 1110, 1140, 1380, 1501, 1501, 1670, 1870, 1892, 2142, 2262, 2327, 2585, 2670, 2750, 3211, 3281, 3180, 3510, 3910, 3892, 4182, 4350, 4412, 4928, 5016, 4860, 5620 (list; graph; listen)

	OFFSET	`1,1`
	PROGRAM	`(PARI) for(i=1, 60, print1(", "sigma(i, 2)+sigma(i+1, 2)))`
	CROSSREFS	`Cf. A001157.` `Sequence in context: A024802 A011886 A056497 this_sequence A134506 A143274 A121666` `Adjacent sequences: A092408 A092409 A092410 this_sequence A092412 A092413 A092414`
	KEYWORD	`nonn`
	AUTHOR	`Jon Perry (perry(AT)globalnet.co.uk), Mar 22 2004`

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

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