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A150788 as a simple table

n a(n)
0 1
1 2
2 8
3 30
4 136
5 580
6 2753
7 12444
8 60241
9 280841
10 1374083
11 6526155
12 32135134
13 154489239
14 763821842
15 3703025640
16 18358658426
17 89543838530
18 444787699907
19 2179253032373
20 10839929560975
21 53294309035054
22 265366430999969
23 1308194109799558
24 6518921651047642
25 32205801829801516
26 160582826643012618

[1,2,8,30,136,580,2753,12444,60241,280841,1374083,
 6526155,32135134,154489239,763821842,3703025640,
 18358658426,89543838530,444787699907,
 2179253032373,10839929560975,53294309035054,
 265366430999969,1308194109799558,6518921651047642,
 32205801829801516,160582826643012618]

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Last modified October 21 14:42 EDT 2021. Contains 348155 sequences. (Running on oeis4.)