id:A024480 - OEIS Search Results

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a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = (1, p(1), p(2), ...), t = (composite numbers).

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4, 6, 20, 25, 52, 59, 113, 129, 218, 249, 409, 454, 673, 728, 1045, 1131, 1529, 1650, 2173, 2313, 3016, 3173, 3989, 4197, 5228, 5495, 6716, 7003, 8379, 8737, 10330, 10767, 12650, 13172, 15370, 15997, 18418, 19089, 21858, 22566, 25639, 26463, 29783, 30722 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A057789 A123169 A023863 this_sequence A066193 A026711 A026788` `Adjacent sequences: A024477 A024478 A024479 this_sequence A024481 A024482 A024483`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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