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A100491 as a simple table

n a(n)
1 1
2 6
3 15
4 42
5 44
6 1365
7 3855
8 74898
9 44620
10 39672
11 195225786
12 616318176
13 26815350376
14 1186422030
15 663226400
16 1001874900
17 4885233465012400
18 1152921504606846975
19 10197205073773110
20 9758202933231640
21 2908370863958880
22 1152589154156603558
23 2895630705663782454386
24 103161669940448356241593685

[1,6,15,42,44,1365,3855,74898,44620,39672,
 195225786,616318176,26815350376,1186422030,
 663226400,1001874900,4885233465012400,
 1152921504606846975,10197205073773110,
 9758202933231640,2908370863958880,
 1152589154156603558,2895630705663782454386,
 103161669940448356241593685]

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Last modified June 7 22:01 EDT 2024. Contains 373206 sequences. (Running on oeis4.)