This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A068904 #30 Feb 24 2024 01:02:33
%S A068904 1,3,6,35,15,495,28,1365,286,3060,66,376740,91,10626,10626,169911,153,
%T A068904 3262623,190,5245786,35960,58905,276,2558620845,4495,111930,91390,
%U A068904 32468436,435,11969016345,496,67945521,194580,316251,194580,783768050065,703,487635
%N A068904 a(n) = binomial(sigma(n),tau(n)), where sigma(n) is the sum and tau(n) the number of divisors of n (A000203, A000005).
%H A068904 Alois P. Heinz, <a href="/A068904/b068904.txt">Table of n, a(n) for n = 1..10000</a> (first 1024 terms from Antti Karttunen)
%t A068904 Table[Binomial[DivisorSigma[1, n], DivisorSigma[0, n]], {n, 50}] (* _Carl Najafi_, Oct 10 2011 *)
%o A068904 (PARI) a(n)=binomial(sigma(n),numdiv(n)) \\ _Charles R Greathouse IV_, Feb 19 2013
%Y A068904 Cf. A068905, A068903, A204292.
%K A068904 nonn
%O A068904 1,2
%A A068904 _Reinhard Zumkeller_, Mar 06 2002
%E A068904 More terms from _Carl Najafi_, Oct 10 2011