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A151415 as a simple table

n a(n)
0 1
1 0
2 2
3 3
4 10
5 27
6 89
7 267
8 868
9 2858
10 9510
11 31830
12 108638
13 373219
14 1288064
15 4482534
16 15710368
17 55258931
18 195240700
19 693284513
20 2470263132
21 8827776270
22 31654190580
23 113835950410
24 410335021648
25 1482638356348
26 5369592056146
27 19484896375080
28 70835100481126
29 257981797359638
30 941120763934455
31 3438343699103345

[1,0,2,3,10,27,89,267,868,2858,9510,31830,108638,
 373219,1288064,4482534,15710368,55258931,
 195240700,693284513,2470263132,8827776270,
 31654190580,113835950410,410335021648,
 1482638356348,5369592056146,19484896375080,
 70835100481126,257981797359638,941120763934455,
 3438343699103345]

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Last modified August 4 08:14 EDT 2020. Contains 336201 sequences. (Running on oeis4.)