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A228399 as a simple table

n a(n)
1 1
2 2
3 6
4 24
5 120
6 577
7 2208
8 6768
9 17469
10 39603
11 81272
12 154225
13 274802
14 464985
15 753556
16 1177362
17 1782687
18 2626731
19 3779196
20 5323979
21 7360972
22 10007969
23 13402680
24 17704852
25 23098497
26 29794227
27 38031696
28 48082149
29 60251078
30 74880985
31 92354252
32 113096118

[1,2,6,24,120,577,2208,6768,17469,39603,81272,
 154225,274802,464985,753556,1177362,1782687,
 2626731,3779196,5323979,7360972,10007969,13402680,
 17704852,23098497,29794227,38031696,48082149,
 60251078,74880985,92354252,113096118]

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Last modified September 15 11:45 EDT 2024. Contains 375938 sequences. (Running on oeis4.)