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A024396 as a simple table

n a(n)
1 1
2 3
3 34
4 294
5 4996
6 72612
7 1661680
8 34029840
9 981118240
10 25947526560
11 902963019520
12 29279156256000
13 1193967167680000
14 45861003136704000
15 2144641818280192000
16 95220827527499520000
17 5023176259163442688000
18 253121597596239128064000
19 14869466904778827894784000

[1,3,34,294,4996,72612,1661680,34029840,981118240,
 25947526560,902963019520,29279156256000,
 1193967167680000,45861003136704000,
 2144641818280192000,95220827527499520000,
 5023176259163442688000,253121597596239128064000,
 14869466904778827894784000]

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Last modified April 29 02:29 EDT 2024. Contains 372097 sequences. (Running on oeis4.)