id:A138981 - OEIS Search Results

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a(n) = sum{k=0 to n} A138980(k).

+0
3

1, 4, 9, 16, 27, 40, 57, 76, 99, 128, 159, 196, 237, 280, 327, 380, 441, 508, 579, 652 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`By definition, every term is nonprime (ie. is 1 or composite).`
	LINKS	`Leroy Quet, Home Page (listed in lieu of email address)`
	CROSSREFS	`Cf. A138980.` `Sequence in context: A138994 A066969 A109593 this_sequence A138993 A008019 A029896` `Adjacent sequences: A138978 A138979 A138980 this_sequence A138982 A138983 A138984`
	KEYWORD	`more,nonn`
	AUTHOR	`Leroy Quet Apr 05 2008`

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.