id:A072038 - OEIS Search Results

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A072038

Column of Zorach additive triangle in which n appears (or 0 in the unlikely event that it does not).

+0
2

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

	OFFSET	`1,3`
	LINKS	`A. C. Zorach, Additive triangle`
	FORMULA	`n = A035312(A072039(n)-1, a(n)-1)`
	EXAMPLE	`a(8)=1 since 8 appears in the first (i.e. left hand) column.`
	CROSSREFS	`If a(n)=1 then n is in A035311, if a(n)=A072039(n) then n is in A035313. Cf. A035312, A035358, A072039.` `Sequence in context: A101022 A051064 A078770 this_sequence A108316 A056138 A067594` `Adjacent sequences: A072035 A072036 A072037 this_sequence A072039 A072040 A072041`
	KEYWORD	`nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Jun 07 2002`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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