id:A115047 - OEIS Search Results

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See Maple code for definition.

+0
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1, 1, 5, 61, 1379, 49946, 2648967, 193530835, 18634276859, 2286742481794, 348390662991293, 64519134394428000, 14273926322439378685, 3718118808742139574436, 1126348335942168962657751, 392634641364638381277506199, 156052858498185218872911914627, 70147998632789834910508237254650 (list; graph; listen)

	OFFSET	`0,3`
	LINKS	`Kaufman, Manin and Zagier, Weil-Petersson volumes of moduli spaces`
	MAPLE	`v:=array(3..100); v[3]:=1; no:=99; for n from 4 to no do v[n]:=sum(binomial(n-4, i-1)binomial(n, i+1)v[i+2]v[n-i]i*(n-i-2)/(n-1)/2, i=1..n-3) od; for k from 4 to no do print(k, v[k]); od:`
	CROSSREFS	`Adjacent sequences: A115044 A115045 A115046 this_sequence A115048 A115049 A115050` `Sequence in context: A009825 A065919 A096537 this_sequence A028296 A000364 A159316`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), based on an email message from John McKay, Feb 28 2006`

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Last modified November 8 07:45 EST 2009. Contains 166143 sequences.

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