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A156234 as a simple table

n a(n)
0 1
1 1
2 5
3 10
4 30
5 63
6 170
7 355
8 880
9 1875
10 4349
11 9189
12 20810
13 43355
14 95140
15 198247
16 424527
17 875965
18 1849535
19 3781820
20 7873167
21 16005196
22 32883560
23 66390850
24 135198990
25 271051271
26 546931398
27 1090751095
28 2183512495
29 4329540830

[1,1,5,10,30,63,170,355,880,1875,4349,9189,20810,
 43355,95140,198247,424527,875965,1849535,3781820,
 7873167,16005196,32883560,66390850,135198990,
 271051271,546931398,1090751095,2183512495,
 4329540830]

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Last modified May 2 04:48 EDT 2024. Contains 372178 sequences. (Running on oeis4.)