id:A087949 - OEIS Search Results

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G.f. satisfies A(x) = 1 + xA(xA(x)).

+0
6

1, 1, 1, 2, 5, 16, 59, 246, 1131, 5655, 30428, 174835, 1066334, 6870542, 46581883, 331237074, 2463361903, 19112314727, 154364077009, 1295325828045, 11273167827343, 101589943242179, 946577526626181, 9107029927925714 (list; graph; listen)

	OFFSET	`0,4`
	EXAMPLE	`Comment from Paul D. Hanna (pauldhanna(AT)juno.com), Apr 16 2007: G.f. A(x) is the unique solution to variable A in the infinite system of simultaneous equations:` `A = 1 + xB;` `B = 1 + xAC;` `C = 1 + xABD;` `D = 1 + xABCE;` `E = 1 + xABCDF ; ...`
	CROSSREFS	`Cf. A002449, A030266, A088714, A088717, A091713, A120971.` `Adjacent sequences: A087946 A087947 A087948 this_sequence A087950 A087951 A087952` `Sequence in context: A000753 A007878 A019589 this_sequence A028333 A007747 A107283`
	KEYWORD	`nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Sep 16 2003`

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Last modified May 15 13:16 EDT 2008. Contains 139641 sequences.

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