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A030240 as a simple table

n a(n)
0 1
1 7
2 42
3 245
4 1421
5 8232
6 47677
7 276115
8 1599066
9 9260657
10 53631137
11 310593360
12 1798735561
13 10416995407
14 60327818922
15 349375764605
16 2023335619781
17 11717718986232
18 67860683565157
19 393000752052475
20 2275980479411226
21 13180858091511257
22 76334143284700217

[1,7,42,245,1421,8232,47677,276115,1599066,
 9260657,53631137,310593360,1798735561,10416995407,
 60327818922,349375764605,2023335619781,
 11717718986232,67860683565157,393000752052475,
 2275980479411226,13180858091511257,
 76334143284700217]

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Last modified May 11 07:10 EDT 2024. Contains 372388 sequences. (Running on oeis4.)