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A151226 as a simple table

n a(n)
0 1
1 3
2 13
3 58
4 268
5 1274
6 6103
7 29578
8 144191
9 706114
10 3471529
11 17111174
12 84533573
13 418347563
14 2073295781
15 10287239649
16 51092700553
17 253964860179
18 1263247273324
19 6287222042418
20 31307431744880
21 155964283770448
22 777259889839215
23 3874804737467137
24 19322276999093931
25 96377663750354783

[1,3,13,58,268,1274,6103,29578,144191,706114,
 3471529,17111174,84533573,418347563,2073295781,
 10287239649,51092700553,253964860179,
 1263247273324,6287222042418,31307431744880,
 155964283770448,777259889839215,3874804737467137,
 19322276999093931,96377663750354783]

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Last modified September 20 13:19 EDT 2020. Contains 337264 sequences. (Running on oeis4.)