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 A236399 Left factorial !p, where p = prime(n). 3
 2, 4, 34, 874, 4037914, 522956314, 22324392524314, 6780385526348314, 1177652997443428940314, 316196664211373618851684940314, 274410818470142134209703780940314, 382630662501032184766604355445682020940314, 836850334330315506193242641144055892504420940314 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Romeo Mestrovic, Variations of Kurepa's left factorial hypothesis, arXiv preprint arXiv:1312.7037, 2013 MAPLE lf:=n->add(k!, k=0..n-1); [seq(lf(ithprime(n)), n=1..30)]; # 2nd program: A236399 := proc(n)     A003422(ithprime(n)) ; end proc: seq(A236399(n), n=1..5) ; # R. J. Mathar, Dec 19 2016 MATHEMATICA leftFac[n_] := Sum[k!, {k, 0, n - 1}]; a[n_] := leftFac[Prime[n]]; Array[a, 13] (* Jean-François Alcover, Nov 24 2017 *) CROSSREFS A subsequence of A003422. Sequence in context: A051225 A103625 A006989 * A132529 A140984 A057996 Adjacent sequences:  A236396 A236397 A236398 * A236400 A236401 A236402 KEYWORD nonn AUTHOR N. J. A. Sloane, Jan 29 2014 STATUS approved

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Last modified March 23 02:39 EDT 2019. Contains 321422 sequences. (Running on oeis4.)