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A151227 as a simple table

n a(n)
0 1
1 3
2 13
3 58
4 272
5 1292
6 6233
7 30279
8 148033
9 726688
10 3578955
11 17670025
12 87409934
13 433072383
14 2148368625
15 10668512572
16 53024146940
17 263727212519
18 1312502556127
19 6535377477859
20 32556202388500
21 162242071294643
22 808793953128968
23 4033095019491650
24 20116380749745208
25 100359576531984893

[1,3,13,58,272,1292,6233,30279,148033,726688,
 3578955,17670025,87409934,433072383,2148368625,
 10668512572,53024146940,263727212519,
 1312502556127,6535377477859,32556202388500,
 162242071294643,808793953128968,4033095019491650,
 20116380749745208,100359576531984893]

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Last modified September 20 13:45 EDT 2020. Contains 337264 sequences. (Running on oeis4.)