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A346816 as a simple table

n a(n)
0 4
1 14
2 56
3 249
4 1213
5 6404
6 36332
7 220000
8 1413937
9 9600364
10 68592684
11 513952699
12 4026607292
13 32900195138
14 279706376058
15 2469224186643
16 22592983270903
17 213904411529522
18 2092395705495048
19 21117781135309376
20 219627058223237983
21 2351003452644642314

[4,14,56,249,1213,6404,36332,220000,1413937,
 9600364,68592684,513952699,4026607292,32900195138,
 279706376058,2469224186643,22592983270903,
 213904411529522,2092395705495048,
 21117781135309376,219627058223237983,
 2351003452644642314]

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Last modified January 22 21:15 EST 2022. Contains 350504 sequences. (Running on oeis4.)