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A303619 as a simple table

n a(n)
1 1
2 12
3 38
4 148
5 616
6 2520
7 10288
8 42100
9 172268
10 704776
11 2883500
12 11797636
13 48268920
14 197487780
15 808003420
16 3305872824
17 13525678764
18 55339088836
19 226414867352
20 926355911364
21 3790101263196
22 15506855855704
23 63444895485516

[1,12,38,148,616,2520,10288,42100,172268,704776,
 2883500,11797636,48268920,197487780,808003420,
 3305872824,13525678764,55339088836,226414867352,
 926355911364,3790101263196,15506855855704,
 63444895485516]

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Last modified March 29 07:27 EDT 2024. Contains 371265 sequences. (Running on oeis4.)