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A257712 as a simple table

n a(n)
1 120
2 276
3 1176
4 28920
5 126756
6 306936
7 1345620
8 33362196
9 146264856
10 354192420
11 1552832856
12 38499933816
13 168789505620
14 408737734296
15 1791967758756
16 44428890250020
17 194782943209176
18 471682991173716
19 2067929240760120
20 51270900848577816
21 224779347673872036

[120,276,1176,28920,126756,306936,1345620,
 33362196,146264856,354192420,1552832856,
 38499933816,168789505620,408737734296,
 1791967758756,44428890250020,194782943209176,
 471682991173716,2067929240760120,
 51270900848577816,224779347673872036]

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Last modified April 23 12:08 EDT 2024. Contains 371912 sequences. (Running on oeis4.)