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A266133 as a simple table

n a(n)
1 1
2 20
3 77
4 117
5 278
6 1959
7 11044
8 36730
9 123887
10 598383
11 2919993
12 11429093
13 43919671
14 194434626
15 880889564
16 3627851352
17 14690154222
18 63196827262
19 276336307138
20 1159331148853
21 4807640087709
22 20468995961561
23 88006303609494

[1,20,77,117,278,1959,11044,36730,123887,598383,
 2919993,11429093,43919671,194434626,880889564,
 3627851352,14690154222,63196827262,276336307138,
 1159331148853,4807640087709,20468995961561,
 88006303609494]

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Last modified April 17 23:23 EDT 2024. Contains 371767 sequences. (Running on oeis4.)