A280117 Partial products of A266265 (Product_{d|n} pod(d)), where pod(n) is the product of the divisors of n (A007955).

1, 2, 6, 96, 480, 103680, 725760, 743178240, 60197437440, 60197437440000, 662171811840000, 1977234435405250560000, 25704047660268257280000, 70531906779776097976320000, 238045185381744330670080000000, 249608468306847943276709806080000000

Offset

1,2

Links

Table of n, a(n) for n=1..16.

Formula

a(n) = Product_{i=1..n} A266265(i).

Prog

(Magma) [&*[&*[&*[b: b in Divisors(d)]: d in Divisors(k)]: k in [1..n]]: n in [1..1000]]

Crossrefs

Cf. A007955, A175317, A266265, A280115 (partial sums of A175317), A280116 (partial sums of A266265).

Sequence in context: A206156 A229052 A363838 * A129364 A092287 A035482

Adjacent sequences: A280114 A280115 A280116 * A280118 A280119 A280120

Keyword

nonn

Author

Jaroslav Krizek, Dec 26 2016

Status

approved