id:A074056 - OEIS Search Results

Search: id:A074056

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a(n)=a(n-1)^3/a(n-2)^2+a(n-1)*a(n-2) with a(1)=a(2)=1.

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1, 1, 2, 10, 270, 199530, 109021396230, 32547610062433062370530, 2900907183084129462928443491816490142071240030, 23044287863704114233982017840826804806870854633710605340763217534502946372713488\ 874512819930 (list; graph; listen)

	OFFSET	`1,3`
	FORMULA	`a(n) =a(n-1)A057438(n) =A057438(n+2)-A057438(n+1)^2 and is about 0.365177806085453...1.2292734309189943...^(2^n).`
	EXAMPLE	`a(5)=10^3/2^2+10*2=250+20=270.`
	CROSSREFS	`Partial products of A057438.` `Sequence in context: A088310 A134473 A005154 this_sequence A144288 A003047 A028580` `Adjacent sequences: A074053 A074054 A074055 this_sequence A074057 A074058 A074059`
	KEYWORD	`nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Aug 14 2002`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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