id:A136632 - OEIS Search Results

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a(n) = Sum_{k=0..n} A136630(n,k) * 2^(nk).

+0
2

1, 2, 16, 520, 66560, 33882144, 69055086592, 564152735105152, 18462508115518554112, 2418626436468567646929408, 1267795674038260517176495570944, 2658560573512321601282555747644737536 (list; graph; listen)

	OFFSET	`0,2`
	PROGRAM	`(PARI) {a(n)=sum(k=0, n, 2^(nk)polcoeff(x^k/prod(j=0, k\2, 1-(2j+k-2(k\2))^2x^2 +xO(x^n)), n))}`
	CROSSREFS	`Cf. A136630, A003724 (row sums of A136630).` `Adjacent sequences: A136629 A136630 A136631 this_sequence A136633 A136634 A136635` `Sequence in context: A063391 A002416 A013028 this_sequence A012919 A012914 A013087`
	KEYWORD	`nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Jan 14 2008`

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Last modified January 7 17:35 EST 2009. Contains 152824 sequences.

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