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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.

A328520 GCD of terms in A002182 that have n prime factors counted with multiplicity.

Table of values

n a(n)
0 1
1 2
2 2
3 12
4 12
5 12
6 60
7 120
8 2520
9 2520
10 2520
11 55440
12 55440
13 720720
14 720720
15 12252240
16 36756720
17 698377680
18 3491888400
19 80313433200
20 160626866400
21 160626866400
22 9316358251200
23 288807105787200
24 2021649740510400
25 74801040398884800
26 74801040398884800
27 3066842656354276800
28 131874234223233902400

List of values

[1, 2, 2, 12, 12, 12, 60, 120, 2520, 2520, 2520, 55440, 55440, 720720, 720720, 12252240, 36756720, 698377680, 3491888400, 80313433200, 160626866400, 160626866400, 9316358251200, 288807105787200, 2021649740510400, 74801040398884800, 74801040398884800, 3066842656354276800, 131874234223233902400]

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

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