id:A054843 - OEIS Search Results

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Number of sequences of consecutive nonnegative integers (including sequences of length 1) that sum to n.

+0
3

2, 1, 3, 1, 2, 3, 2, 1, 3, 3, 2, 2, 2, 2, 5, 1, 2, 3, 2, 2, 5, 2, 2, 2, 3, 2, 4, 3, 2, 4, 2, 1, 4, 2, 4, 4, 2, 2, 4, 2, 2, 4, 2, 2, 7, 2, 2, 2, 3, 3, 4, 2, 2, 4, 5, 2, 4, 2, 2, 4, 2, 2, 6, 1, 4, 5, 2, 2, 4, 4, 2, 3, 2, 2, 6, 2, 4, 5, 2, 2, 5, 2, 2, 4, 4, 2, 4, 2, 2, 6, 5, 2, 4, 2, 4, 2, 2, 3, 6, 3, 2, 4, 2, 2, 9 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n) = A001227(n) + A010054(n). G.f.: Sum_{k>0} x^(k*(k-1)/2)/(1-x^k). - Vladeta Jovovic (vladeta(AT)eunet.rs), Aug 10 2004`
	EXAMPLE	`a(1) = 2 because 1 = 0+1 or 1; a(15) = 5 because 15 = 0+1+2+3+4+5 or 1+2+3+4+5 or 4+5+6 or 7+8 or 15.`
	CROSSREFS	`Cf. A001227, A054844.` `Sequence in context: A105497 A132662 A132589 this_sequence A038566 A020652 A096107` `Adjacent sequences: A054840 A054841 A054842 this_sequence A054844 A054845 A054846`
	KEYWORD	`easy,nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Apr 13 2000`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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