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A301308 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 3
5 10
6 26
7 78
8 311
9 1200
10 4626
11 20831
12 98953
13 468700
14 2399950
15 13084381
16 72319603
17 418017254
18 2545312690
19 15862538760
20 102062357538
21 684056780835
22 4705498914532
23 33243430090585
24 242674907474251
25 1817152315653253
26 13936783521933730
27 109852260904263059
28 886654177280345126
29 7315920883507888061
30 61812165690051526144

[1,1,1,1,3,10,26,78,311,1200,4626,20831,98953,
 468700,2399950,13084381,72319603,418017254,
 2545312690,15862538760,102062357538,684056780835,
 4705498914532,33243430090585,242674907474251,
 1817152315653253,13936783521933730,
 109852260904263059,886654177280345126,
 7315920883507888061,61812165690051526144]

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Last modified April 23 15:20 EDT 2024. Contains 371916 sequences. (Running on oeis4.)