id:A139127 - OEIS Search Results

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Greatest preceeding term in Hofstadter sequence A005244 that is a divisor of A005244(n)+1; a(1) = 1.

+0
2

1, 2, 3, 5, 5, 9, 9, 14, 17, 14, 9, 17, 26, 27, 33, 14, 26, 27, 41, 17, 44, 33, 50, 51, 53, 41, 14, 65, 44, 27, 69, 50, 51, 77, 53, 80, 81, 33, 84, 87, 65, 98, 99, 101, 41, 69, 105, 44, 77, 26, 17, 80, 81, 122, 125, 84, 51, 129, 87, 131, 53, 134, 137, 98, 99, 149, 101, 152, 153 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(n) = (A005244(n) + 1) / A005244(k) for some k.`
	LINKS	`R. Zumkeller, Table of n, a(n) for n = 1..500` `Eric Weisstein's World of Mathematics, Hofstadter Sequences` `Index entries for Hofstadter-type sequences`
	CROSSREFS	`Adjacent sequences: A139124 A139125 A139126 this_sequence A139128 A139129 A139130` `Sequence in context: A053079 A096736 A128188 this_sequence A131319 A108962 A091608`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Apr 09 2008`

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Last modified May 16 01:24 EDT 2008. Contains 139630 sequences.

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