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A053581 as a simple table

n a(n)
0 1
1 3
2 10
3 32
4 100
5 308
6 940
7 2852
8 8620
9 25988
10 78220
11 235172
12 706540
13 2121668
14 6369100
15 19115492
16 57362860
17 172121348
18 516429580
19 1549419812
20 4648521580
21 13946089028
22 41839315660
23 125520044132

[1,3,10,32,100,308,940,2852,8620,25988,78220,
 235172,706540,2121668,6369100,19115492,57362860,
 172121348,516429580,1549419812,4648521580,
 13946089028,41839315660,125520044132]

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Last modified May 15 16:38 EDT 2024. Contains 372548 sequences. (Running on oeis4.)