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A220228 as a simple table

n a(n)
1 1
2 19
3 115
4 694
5 4244
6 25771
7 156627
8 952152
9 5791155
10 35212909
11 214118912
12 1302044409
13 7917515074
14 48145113993
15 292763221173
16 1780247911592
17 10825410249051
18 65827639273982
19 400287647868551
20 2434086938990655

[1,19,115,694,4244,25771,156627,952152,5791155,
 35212909,214118912,1302044409,7917515074,
 48145113993,292763221173,1780247911592,
 10825410249051,65827639273982,400287647868551,
 2434086938990655]

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Last modified March 28 21:57 EDT 2024. Contains 371254 sequences. (Running on oeis4.)