id:A129888 - OEIS Search Results

Search: id:A129888

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Start with 10; write down the sum of its digits; add last two terms; repeat.

+0
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10, 1, 11, 2, 13, 4, 17, 8, 25, 7, 32, 5, 37, 10, 47, 11, 58, 13, 71, 8, 79, 16, 95, 14, 109, 10, 119, 11, 130, 4, 134, 8, 142, 7, 149, 14, 163, 10, 173, 11, 184, 13, 197, 17, 214, 7, 221, 5, 226, 10, 236, 11, 247, 13, 260, 8, 268, 16, 284, 14, 298, 19, 317, 11, 328, 13 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(2n+1)=A007618(n+2). For 1<=n<=10: a(2n)=A065075(n+1). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jun 14 2007`
	CROSSREFS	`Sequence in context: A130858 A098760 A107408 this_sequence A107353 A164899 A164844` `Adjacent sequences: A129885 A129886 A129887 this_sequence A129889 A129890 A129891`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), May 26 2007`
	EXTENSIONS	`More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jun 14 2007`

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Last modified December 10 00:48 EST 2009. Contains 170565 sequences.

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