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A301347 as a simple table

n a(n)
1 2
2 3
3 11
4 70
5 649
6 7896
7 118369
8 2102192
9 43087041
10 1000362880
11 25941053401
12 743048287488
13 23298564124081
14 793721000274944
15 29193013203681825
16 1152922812281214976
17 48661212798456756481
18 2185911915426124627968
19 104127356700284947260841
20 5242880121645100408832000

[2,3,11,70,649,7896,118369,2102192,43087041,
 1000362880,25941053401,743048287488,
 23298564124081,793721000274944,29193013203681825,
 1152922812281214976,48661212798456756481,
 2185911915426124627968,104127356700284947260841,
 5242880121645100408832000]

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Last modified April 18 10:40 EDT 2024. Contains 371779 sequences. (Running on oeis4.)