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A222551 as a simple table

n a(n)
1 121
2 427
3 1562
4 5761
5 21239
6 78245
7 287858
8 1059674
9 3901868
10 14366833
11 52894813
12 194725954
13 716822517
14 2638639647
15 9712504051
16 35749337667
17 131581046318
18 484294944395
19 1782459967105
20 6560310404375
21 24144873322163
22 88863279809958

[121,427,1562,5761,21239,78245,287858,1059674,
 3901868,14366833,52894813,194725954,716822517,
 2638639647,9712504051,35749337667,131581046318,
 484294944395,1782459967105,6560310404375,
 24144873322163,88863279809958]

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Last modified April 13 03:15 EDT 2024. Contains 371639 sequences. (Running on oeis4.)