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A157053 as a simple table

n a(n)
1 2
2 24
3 162
4 780
5 2970
6 9492
7 26474
8 66222
9 151560
10 322190
11 643632
12 1219374
13 2206932
14 3838590
15 6447660
16 10501172
17 16639974
18 25727292
19 38906870
20 57671880
21 83945862
22 120177024
23 169447302
24 235597650
25 323371100
26 438575202
27 588265524
28 780951962
29 1026829680

[2,24,162,780,2970,9492,26474,66222,151560,322190,
 643632,1219374,2206932,3838590,6447660,10501172,
 16639974,25727292,38906870,57671880,83945862,
 120177024,169447302,235597650,323371100,438575202,
 588265524,780951962,1026829680]

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Last modified March 28 14:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)