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 A290693 Triangle read by rows, coefficients of the polynomials P(n, x) = A135517(n) *(Euler(n, x) - Euler(n, 1)). 0
 0, -1, 1, 0, -1, 1, 1, 0, -3, 2, 0, 1, 0, -2, 1, -2, 0, 5, 0, -5, 2, 0, -3, 0, 5, 0, -3, 1, 17, 0, -42, 0, 35, 0, -14, 4, 0, 17, 0, -28, 0, 14, 0, -4, 1, -62, 0, 153, 0, -126, 0, 42, 0, -9, 2, 0, -155, 0, 255, 0, -126, 0, 30, 0, -5, 1 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,9 LINKS Table of n, a(n) for n=0..65. EXAMPLE 0; -1, 1; 0, -1, 1; 1, 0, -3, 2; 0, 1, 0, -2, 1; -2, 0, 5, 0, -5, 2; MAPLE c := n -> `if`(n=1 or n mod 2 = 0, 1, 2*c(iquo(n, 2))): P := (n, x) -> (euler(n, x) - euler(n, 1))*c(n): seq(seq(coeff(P(n, x), x, k), k=0..n), n=0..9); CROSSREFS Cf. A135517. Sequence in context: A187130 A187145 A285700 * A131290 A138741 A116604 Adjacent sequences: A290690 A290691 A290692 * A290694 A290695 A290696 KEYWORD sign,tabl AUTHOR Peter Luschny, Aug 09 2017 STATUS approved

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Last modified May 18 16:32 EDT 2024. Contains 372664 sequences. (Running on oeis4.)