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 A163394 The odd part of Minkowski(n)/n! 0
 1, 1, 1, 1, 1, 3, 1, 9, 9, 15, 3, 9, 3, 945, 135, 27, 27, 405, 45, 8505, 1701, 66825, 6075, 18225, 6075, 995085, 76545, 8505, 1215, 18225, 1215, 841995, 841995, 6506325, 382725, 32805, 3645, 850797675, 44778825, 3444525 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,6 LINKS FORMULA a(n) = A000265(A163176(n)). - Michel Marcus, Jun 17 2019 MAPLE a := proc(n) local L, p; L := proc(n, p, r) local q, s, m; m:=n-r; q:=p-r; s:=0; do if q > n then break fi; s := s+iquo(m, q); q := q*p od; s end; mul(p^(L(n, p, 1)-L(n, p, 0)), p = select(isprime, [\$3..n])); end MATHEMATICA L[n_, p_, r_] := Module[{q, s, m}, m = n-r; q = p-r; s = 0; While[True, If[ q > n, Break[]]; s = s + Quotient[m, q]; q = q*p]; s]; a[n_] := Product[p^(L[n, p, 1]-L[n, p, 0]), {p, Select[Range[3, n], PrimeQ] }]; Table[a[n], {n, 0, 39}] (* Jean-François Alcover, Jun 17 2019 *) CROSSREFS Cf. A000265, A053657, A163176. Sequence in context: A075498 A105729 A104750 * A225469 A095069 A184061 Adjacent sequences:  A163391 A163392 A163393 * A163395 A163396 A163397 KEYWORD nonn AUTHOR Peter Luschny, Jul 26 2009 STATUS approved

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Last modified October 21 16:24 EDT 2019. Contains 328302 sequences. (Running on oeis4.)