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A234557 as a simple table

n a(n)
1 70
2 220
3 618
4 1954
5 5506
6 17518
7 49506
8 158518
9 449170
10 1447510
11 4111458
12 13334374
13 37954546
14 123863638
15 353202306
16 1159606918
17 3311711890
18 10935135670
19 31268536098
20 103805608294
21 297121857586
22 991365572758
23 2839736979906

[70,220,618,1954,5506,17518,49506,158518,449170,
 1447510,4111458,13334374,37954546,123863638,
 353202306,1159606918,3311711890,10935135670,
 31268536098,103805608294,297121857586,
 991365572758,2839736979906]

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Last modified July 17 05:50 EDT 2024. Contains 374360 sequences. (Running on oeis4.)