id:A008722 - OEIS Search Results

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Molien series for 3-dimensional group [2,9] = *229.

+0
9

1, 0, 2, 0, 3, 0, 4, 0, 5, 1, 6, 2, 7, 3, 8, 4, 9, 5, 11, 6, 13, 7, 15, 8, 17, 9, 19, 11, 21, 13, 23, 15, 25, 17, 27, 19, 30, 21, 33, 23, 36, 25, 39, 27, 42, 30, 45, 33, 48, 36, 51, 39, 54, 42, 58, 45, 62, 48, 66, 51, 70 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`It appears that a(n) is the number of (n+11)-digit fixed points under the base-7 Kaprekar map A165071 (see A165075 for the list of fixed points). [From Joseph Myers (jsm(AT)polyomino.org.uk), Sep 04 2009]`
	LINKS	`Index entries for Molien series` `INRIA Algorithms Project, Encyclopedia of Combinatorial Structures 225`
	MAPLE	`1/(1-x^2)^2/(1-x^9)`
	CROSSREFS	`Sequence in context: A135472 A008723 A008803 this_sequence A008736 A029180 A008802` `Adjacent sequences: A008719 A008720 A008721 this_sequence A008723 A008724 A008725`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

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