A141424 - OEIS

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A141424

Numerators of second column of second triangle (inverse or twin polynomials) in A133135 (1, -2, 2, -1, 1, -4, 4, 13, -13).

1, -3, 3, -5, 5, -7, 7, 3, -3 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	COMMENTS	`Concerns polynomials P(0,x)=1, 2P(n,x)=(1+x)*[(1+x)^(n-1)+x^(n-1)] . Based on Euler polynomials (may 1993). (Behind 1, -1, 1, -1, 1, -1, 1, -1, 1) 1, -3, 3, -5, 5, -7, 7, 3, -3 are twin numbers, before 1, -2, 2, -1, 1, -4, 4, 13, -13. See Bernoulli twin numbers A051717.`
	CROSSREFS	`Sequence in context: A004649 A002374 A110560 * A172170 A069902 A085779` `Adjacent sequences: A141421 A141422 A141423 * A141425 A141426 A141427`
	KEYWORD	`sign,uned`
	AUTHOR	`Paul Curtz (bpcrz(AT)free.fr), Aug 06 2008`

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Last modified February 15 15:20 EST 2012. Contains 205823 sequences.