id:A024370 - 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 = A023532, t = (composite numbers).

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4, 6, 8, 9, 18, 21, 33, 37, 42, 47, 63, 69, 89, 96, 117, 126, 135, 142, 168, 178, 207, 217, 248, 259, 294, 307, 319, 332, 370, 385, 427, 443, 484, 503, 550, 568, 617, 636, 656, 675, 726, 747, 803, 825, 882, 906, 965, 991, 1054, 1079, 1144, 1172, 1201, 1230, 1298, 1324 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A073540 A123710 A075243 this_sequence A121719 A162738 A161600` `Adjacent sequences: A024367 A024368 A024369 this_sequence A024371 A024372 A024373`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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