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A174836 as a simple table

n a(n)
0 1
1 4
2 16
3 46
4 124
5 310
6 748
7 1750
8 4012
9 9046
10 20140
11 44374
12 96940
13 210262
14 453292
15 972118
16 2075308
17 4412758
18 9349804
19 19748182
20 41593516
21 87381334
22 183151276
23 383079766
24 799713964
25 1666536790
26 3467291308
27 7203018070
28 14942907052
29 30959555926
30 64066595500
31 132428158294

[1,4,16,46,124,310,748,1750,4012,9046,20140,44374,
 96940,210262,453292,972118,2075308,4412758,
 9349804,19748182,41593516,87381334,183151276,
 383079766,799713964,1666536790,3467291308,
 7203018070,14942907052,30959555926,64066595500,
 132428158294]

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Last modified August 7 15:37 EDT 2022. Contains 355994 sequences. (Running on oeis4.)