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A209653 as a simple table

n a(n)
1 12
2 144
3 636
4 2079
5 8904
6 34012
7 145775
8 597856
9 2579940
10 10954895
11 47622744
12 205998660
13 901433351
14 3942155568
15 17346881260
16 76402898495
17 337745931240
18 1495044223756
19 6633766629567
20 29474645542848
21 131183330978644

[12,144,636,2079,8904,34012,145775,597856,2579940,
 10954895,47622744,205998660,901433351,3942155568,
 17346881260,76402898495,337745931240,
 1495044223756,6633766629567,29474645542848,
 131183330978644]

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Last modified January 29 00:42 EST 2022. Contains 350670 sequences. (Running on oeis4.)