id:A123710 - OEIS Search Results

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Positions in A123709 equal to 4, so that row a(n) of triangle A123706 has exactly 4 nonzero terms.

+0
4

4, 6, 8, 9, 16, 25, 27, 32, 49, 64, 81, 121, 125, 128, 169, 243, 256, 289, 343, 361, 512, 529, 625, 729, 841, 961, 1024 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Triangle A123706 is the matrix inverse of triangle A010766, where A010766(n,k) = [n/k].`
	PROGRAM	`(PARI)`
	CROSSREFS	`Cf. A123706, A123709, A123711, A123712; A010766.` `Sequence in context: A118951 A095404 A073540 this_sequence A075243 A024370 A121719` `Adjacent sequences: A123707 A123708 A123709 this_sequence A123711 A123712 A123713`
	KEYWORD	`nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Oct 09 2006`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.