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A161947 as a simple table

n a(n)
0 2
1 11
2 64
3 387
4 2398
5 15079
6 95636
7 609543
8 3895802
9 24938531
10 159781864
11 1024232427
12 6567341398
13 42116068159
14 270111829436
15 1732448726703
16 11111915190002
17 71272831185851
18 457154262488464
19 2932267507610067
20 18808127038865998
21 120639117713628439
22 773804255242366436

[2,11,64,387,2398,15079,95636,609543,3895802,
 24938531,159781864,1024232427,6567341398,
 42116068159,270111829436,1732448726703,
 11111915190002,71272831185851,457154262488464,
 2932267507610067,18808127038865998,
 120639117713628439,773804255242366436]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)