id:A087816 - OEIS Search Results

Search: id:A087816

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a[n] =a[a[n-1]] + a[n -1- a[n-1]]

+0
2

1, 1, 2, 2, 2, 3, 4, 4, 4, 4, 5, 5, 6, 7, 8, 8, 8, 8, 8, 9, 9, 9, 10, 10, 11, 12, 12, 13, 14, 15, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 19, 19, 20, 21, 21, 21, 22, 22, 23, 24, 24, 25, 26, 27, 27, 28, 29, 30, 31, 32, 32, 32, 32, 32, 32, 32, 33, 33, 33, 33, 33, 34, 34, 34 (list; graph; listen)

	OFFSET	`1,3`
	MATHEMATICA	`hg[n_Integer?Positive] := hg[n] =hg[hg[n-1]] + hg[n -1- hg[n-1]] hg[1] = hg[2] = 1 digits=2^8 a=Table[hg[n], {n, 1, digits}]`
	CROSSREFS	`Cf. A055748, A087815.` `Sequence in context: A097915 A029131 A162351 this_sequence A072000 A157477 A006949` `Adjacent sequences: A087813 A087814 A087815 this_sequence A087817 A087818 A087819`
	KEYWORD	`nonn`
	AUTHOR	`Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Oct 05 2003`

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Last modified November 24 19:42 EST 2009. Contains 167435 sequences.

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