A204292 Binomial(n, d(n)), where d(n) = A000005(n) is the number of divisors of n.
1, 1, 3, 4, 10, 15, 21, 70, 84, 210, 55, 924, 78, 1001, 1365, 4368, 136, 18564, 171, 38760, 5985, 7315, 253, 735471, 2300, 14950, 17550, 376740, 406, 5852925, 465, 906192, 40920, 46376, 52360, 94143280, 666, 73815, 82251, 76904685, 820, 118030185, 903, 7059052, 8145060
Offset: 1
Keywords
Programs
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Mathematica
Table[Binomial[n, DivisorSigma[0, n]], {n, 1, 50}] (* Vaclav Kotesovec, May 08 2021 *)
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PARI
vector(60,n,binomial(n,numdiv(n)))