A087470 - OEIS

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A087470

a(n) = number of the row (counting from initial row 1) of the array R in A087468 that contains n.

1, 2, 1, 3, 2, 4, 1, 3, 5, 2, 4, 1, 6, 3, 5, 2, 7, 4, 1, 6, 3, 8, 5, 2, 7, 4, 1, 9, 6, 3, 8, 5, 2, 10, 7, 4, 1, 9, 6, 3, 11, 8, 5, 2, 10, 7, 4, 1, 12, 9, 6, 3, 11, 8, 5, 2, 13, 10, 7, 4, 1, 12, 9, 6, 3, 14, 11, 8, 5, 2, 13, 10, 7, 4, 1, 15, 12, 9, 6, 3, 14, 11, 8, 5, 2, 16, 13, 10, 7, 4, 1, 15, 12, 9, 6 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	COMMENTS	`A fractal sequence.`
	LINKS	`Clark Kimberling and John E. Brown, Partial Complements and Transposable Dispersions, J. Integer Seqs., Vol. 7, 2004.`
	EXAMPLE	`Northwest corner of R:` `1 3 7 12 19` `2 5 10 16 24` `4 8 14 21 30` `6 11 18 26 36` `9 15 23 32 43` `a(11)=4 because 11 is in row 4.`
	CROSSREFS	`Cf. A087468, A087469.` `Sequence in context: A156061 A124172 A058933 * A158456 A084531 A023129` `Adjacent sequences: A087467 A087468 A087469 * A087471 A087472 A087473`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu), Sep 09 2003`

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Last modified February 17 10:05 EST 2012. Contains 206009 sequences.