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A062959 Number of divisors of n^(n!) (A053986). 1

%I #13 Dec 15 2017 17:35:17

%S 1,3,7,49,121,519841,5041,120961,725761,13168196697601,39916801,

%T 458885067042124801,6227020801,7600054456726354022401,

%U 1710012252726814772736001,83691159552001,355687428096001,81980778135594585487141085184001,121645100408832001

%N Number of divisors of n^(n!) (A053986).

%H Alois P. Heinz, <a href="/A062959/b062959.txt">Table of n, a(n) for n = 1..100</a>

%p a:= n-> mul(n!*i[2]+1, i=ifactors(n)[2]):

%p seq (a(n), n=1..20); # _Alois P. Heinz_, Dec 17 2011

%o (PARI) for(n=1,13,print(numdiv(n^(n!))))

%Y Cf. A053986, A000005.

%K nonn

%O 1,2

%A _Jason Earls_, Jul 22 2001

%E More terms from _Henry Bottomley_, Jul 24 2001

%E More terms from _Alois P. Heinz_, Dec 17 2011

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Last modified April 20 02:01 EDT 2024. Contains 371798 sequences. (Running on oeis4.)