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 A160610 Denominator of Laguerre(n, -5). 3
 1, 1, 2, 3, 8, 12, 144, 56, 8064, 36288, 48384, 798336, 19160064, 41513472, 3487131648, 5230697472, 6199345152, 1422749712384, 51218989645824, 162193467211776, 3892643213082624, 3144057979797504, 599467054814724096 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS G. C. Greubel, Table of n, a(n) for n = 0..480 MATHEMATICA Denominator[Table[LaguerreL[n, -5], {n, 0, 50}]] (* G. C. Greubel, May 09 2018 *) PROG (PARI) for(n=0, 30, print1(denominator(sum(k=0, n, binomial(n, k)*(5^k/k!))), ", ")) \\ G. C. Greubel, May 09 2018 (PARI) a(n) = denominator(pollaguerre(n, 0, -5)); \\ Michel Marcus, Feb 05 2021 (Magma) [Denominator((&+[Binomial(n, k)*(5^k/Factorial(k)): k in [0..n]])): n in [0..30]]; // G. C. Greubel, May 09 2018 CROSSREFS For numerators see A160609. Cf. A289211. Sequence in context: A134683 A067853 A086590 * A127484 A193882 A168343 Adjacent sequences: A160607 A160608 A160609 * A160611 A160612 A160613 KEYWORD nonn,frac AUTHOR N. J. A. Sloane, Nov 14 2009 STATUS approved

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Last modified September 16 23:59 EDT 2024. Contains 375984 sequences. (Running on oeis4.)