id:A004073 - OEIS Search Results

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Start with a(1)=1; to get a(n) replace each i in a(n-1) by 12...i, then append n.

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1, 12, 1123, 11121234, 1111211212312345, 11111211121121231121231234123456, 1111112111121112112123111211212311212312341121231234123451234567 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Digits sum to A000225.`
	REFERENCES	`T. Kubo et al., On Conway's recursive sequence, Discrete Math. 152 1996 225-252.`
	CROSSREFS	`Sequence in context: A004812 A088671 A160010 this_sequence A109229 A112457 A091782` `Adjacent sequences: A004070 A004071 A004072 this_sequence A004074 A004075 A004076`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`
	EXTENSIONS	`The next term is too large to include.`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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