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 A064144 tau(n!+1) or number of divisors of n!+1. 1
 2, 2, 2, 3, 3, 4, 3, 4, 8, 4, 2, 6, 4, 4, 8, 32, 8, 64, 4, 4, 8, 8, 12, 4, 4, 4, 2, 4, 8, 32, 16, 16, 32, 4, 32, 64, 2, 4, 16, 128, 2, 8, 16, 8, 8, 8, 16, 4, 32, 32, 64, 16, 16, 4, 4, 16, 8, 16, 4, 16, 16, 8, 32, 8 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Hisanori Mishima, Factorizations of many number sequences MATHEMATICA Do[ Print[ DivisorSigma[0, n! + 1]], {n, 1, 40} ] PROG (PARI) { f=1; for (n=1, 100, f*=n; write("b064144.txt", n, " ", numdiv(f + 1)) ) } [From Harry J. Smith, Sep 09 2009] CROSSREFS Cf. A000005, A027423, A002981, A002982. Sequence in context: A003050 A070868 A155216 * A077105 A173752 A153847 Adjacent sequences:  A064141 A064142 A064143 * A064145 A064146 A064147 KEYWORD nonn AUTHOR Vladeta Jovovic, Sep 11 2001 EXTENSIONS More terms from Robert G. Wilson v, Oct 04 2001 23 more terms, a(42) - a(64), from Harry J. Smith, Sep 09 2009 STATUS approved

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Last modified May 25 08:17 EDT 2013. Contains 225646 sequences.