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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.

A092287 a(n) = Product_{j=1..n} Product_{k=1..n} gcd(j,k).

Table of values

n a(n)
0 1
1 1
2 2
3 6
4 96
5 480
6 414720
7 2903040
8 5945425920
9 4334215495680
10 277389791723520000
11 3051287708958720000
12 437332621360674939863040000
13 5685324077688774218219520000
14 15974941971638268369709427589120000
15 982608696336737613503095822614528000000000

List of values

[1, 1, 2, 6, 96, 480, 414720, 2903040, 5945425920, 4334215495680, 277389791723520000, 3051287708958720000, 437332621360674939863040000, 5685324077688774218219520000, 15974941971638268369709427589120000, 982608696336737613503095822614528000000000]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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