A053294 - OEIS

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A053294

a(0)=1, a(m+1)= sum{k=0 to m}[a(k)^2 a(m-k)^2].

1, 1, 2, 9, 170, 57978, 6722955416, 90396259057770600841 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	EXAMPLE	`a(4)= a(0)^2 a(3)^2 +a(1)^2 a(2)^2 +a(2)^2 a(1)^2 +a(3)^2 a(0)^2= 1^2 9^2 +1^2 2^2 +2^2 1^2 +9^2 1^2= 170`
	CROSSREFS	`Sequence in context: A182948 A081459 A038843 * A199695 A078524 A041795` `Adjacent sequences: A053291 A053292 A053293 * A053295 A053296 A053297`
	KEYWORD	`nonn`
	AUTHOR	`Leroy Quet Mar 04 2000`

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Last modified February 16 23:45 EST 2012. Contains 205978 sequences.