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A107959 as a simple table

n a(n)
0 1
1 22
2 190
3 1015
4 4018
5 12936
6 35784
7 88110
8 197835
9 412126
10 806806
11 1498861
12 2662660
13 4550560
14 7518624
15 12058236
16 18834453
17 28731990
18 42909790
19 62865187
20 90508726
21 128250760
22 179101000
23 246782250
24 335859615
25 451886526
26 601568982

[1,22,190,1015,4018,12936,35784,88110,197835,
 412126,806806,1498861,2662660,4550560,7518624,
 12058236,18834453,28731990,42909790,62865187,
 90508726,128250760,179101000,246782250,335859615,
 451886526,601568982]

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Last modified December 2 08:31 EST 2021. Contains 349437 sequences. (Running on oeis4.)