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 A160627 Numerator of Laguerre(n, 4). 2
 1, -3, 1, 7, 1, -13, -83, -57, -197, 1543, 931, 255217, 620863, 1283437, -8184347, -581939153, -96325549, -2261420263, -9237901697, -466203083257, -1399462769491, 88080802505933, 675385729846153, 61756890564641033, 28280520375244993, 495763088616446491 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS Conjecture: all terms are odd. - Robert Israel, Mar 29 2018 LINKS Robert Israel, Table of n, a(n) for n = 0..506 MAPLE seq(numer(orthopoly[L](n, 4)), n=0..50); # Robert Israel, Mar 29 2018 MATHEMATICA Numerator[Table[LaguerreL[n, 4], {n, 0, 50}]] (* G. C. Greubel, May 06 2018 *) PROG (PARI) for(n=0, 30, print1(numerator(sum(k=0, n, binomial(n, k)*((-4)^k/k!))), ", ")) \\ G. C. Greubel, May 06 2018 (Magma) [Numerator((&+[Binomial(n, k)*((-4)^k/Factorial(k)): k in [0..n]])): n in [0..30]]; // G. C. Greubel, May 06 2018 CROSSREFS For denominators see A160628. Sequence in context: A362628 A225561 A098093 * A114712 A321452 A089741 Adjacent sequences: A160624 A160625 A160626 * A160628 A160629 A160630 KEYWORD sign,frac AUTHOR N. J. A. Sloane, Nov 14 2009 STATUS approved

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Last modified April 15 04:52 EDT 2024. Contains 371667 sequences. (Running on oeis4.)