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A097171 as a simple table

n a(n)
1 1
2 1
3 6
4 24
5 320
6 3270
7 55482
8 999656
9 21718440
10 544829130
11 15130478990
12 475440344412
13 16294653237876
14 613546243029902
15 25016884214147490
16 1100408748640263120
17 51948228453097163312
18 2617775548597611727506
19 140364712844785892810646
20 7975414423897012183673540

[1,1,6,24,320,3270,55482,999656,21718440,
 544829130,15130478990,475440344412,16294653237876,
 613546243029902,25016884214147490,
 1100408748640263120,51948228453097163312,
 2617775548597611727506,140364712844785892810646,
 7975414423897012183673540]

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Last modified April 24 09:18 EDT 2024. Contains 371935 sequences. (Running on oeis4.)