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A320998 as a simple table

n a(n)
6 1
7 12
8 44
9 142
10 399
11 1044
12 2571
13 6168
14 14357
15 32786
16 73746
17 163872
18 360462
19 786468
20 1703949
21 3670040
22 7864353
23 16777260
24 35651579
25 75497508
26 159383591
27 335544350
28 704643087
29 1476395064
30 3087007733
31 6442451004
32 13421772816
33 27917287460
34 57982058547
35 120259084318

[1,12,44,142,399,1044,2571,6168,14357,32786,73746,
 163872,360462,786468,1703949,3670040,7864353,
 16777260,35651579,75497508,159383591,335544350,
 704643087,1476395064,3087007733,6442451004,
 13421772816,27917287460,57982058547,120259084318]

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Last modified January 21 18:42 EST 2021. Contains 340352 sequences. (Running on oeis4.)