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A153937 as a simple table

n a(n)
0 1
1 2
2 2
3 3
4 4
5 4
6 7
7 20
8 21
9 45
10 145
11 212
12 436
13 2161
14 2791
15 8995
16 40480
17 86264
18 264562
19 1826697
20 3632340
21 16824438
22 112933447
23 337629371
24 1472886340
25 15531543956
26 43332027600
27 293975081405
28 2889767925722
29 12600532736321
30 79696537663155

[1,2,2,3,4,4,7,20,21,45,145,212,436,2161,2791,
 8995,40480,86264,264562,1826697,3632340,16824438,
 112933447,337629371,1472886340,15531543956,
 43332027600,293975081405,2889767925722,
 12600532736321,79696537663155]

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)