id:A136593 - OEIS Search Results

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Column 3 of triangle A136590.

+0
5

1, 6, -25, -135, 1834, -3668, -110692, 1339020, -1181664, -164709864, 2206092096, 395662176, -463716547776, 7029335571840, 8900411569920, -2265668505227520, 38689597829053440, 92447263589921280, -17785648201625856000, 338957966532455424000 (list; graph; listen)

	OFFSET	`3,2`
	FORMULA	`E.g.f.: A(x) = log(1 + x + x^2)^3 / 3!.`
	EXAMPLE	`E.g.f.: A(x) = 1x^3/3! + 6x^4/4! - 25x^5/5! - 135x^6/6! + 1834*x^7/7! -...`
	PROGRAM	`(PARI) a(n)=(n+3)!polcoeff(log(1+x+x^2 +xO(x^(n+3)))^3/3!, n+3)`
	CROSSREFS	`Cf. A136590, A136591, A136592, A136594.` `Adjacent sequences: A136590 A136591 A136592 this_sequence A136594 A136595 A136596` `Sequence in context: A099359 A073967 A082430 this_sequence A012293 A012594 A009464`
	KEYWORD	`sign`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Jan 10 2008`

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

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