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A299047 as a simple table

n a(n)
1 3
2 4
3 11
4 40
5 79
6 480
7 1542
8 5317
9 22571
10 80346
11 297210
12 1158279
13 4266972
14 16017750
15 60820802
16 227040843
17 853970252
18 3218688708
19 12071422085
20 45398669314
21 170767134707
22 641450486645
23 2411776993812
24 9067212243589
25 34076147843251

[3,4,11,40,79,480,1542,5317,22571,80346,297210,
 1158279,4266972,16017750,60820802,227040843,
 853970252,3218688708,12071422085,45398669314,
 170767134707,641450486645,2411776993812,
 9067212243589,34076147843251]

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Last modified June 3 10:43 EDT 2024. Contains 373060 sequences. (Running on oeis4.)