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A209030 as a simple table

n a(n)
1 1
2 4
3 10
4 60
5 358
6 2798
7 22249
8 186765
9 1596162
10 13907330
11 122758794
12 1096122478
13 9880366438
14 89796245827
15 821927851286
16 7570508171686
17 70115797179348
18 652594351781036
19 6100765243003922
20 57259681174637899
21 539353919732122101
22 5097036850039818860

[1,4,10,60,358,2798,22249,186765,1596162,13907330,
 122758794,1096122478,9880366438,89796245827,
 821927851286,7570508171686,70115797179348,
 652594351781036,6100765243003922,
 57259681174637899,539353919732122101,
 5097036850039818860]

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Last modified March 29 08:53 EDT 2024. Contains 371268 sequences. (Running on oeis4.)