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A251691 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 8
5 17
6 36
7 78
8 169
9 370
10 813
11 1793
12 3971
13 8817
14 19631
15 43804
16 97938
17 219357
18 492072
19 1105398
20 2486320
21 5598805
22 12620832
23 28477139
24 64311189
25 145354456
26 328772330
27 744155150
28 1685434388
29 3819629781
30 8661130303
31 19649713303
32 44601771038
33 101285994072
34 230110466746

[1,1,2,4,8,17,36,78,169,370,813,1793,3971,8817,
 19631,43804,97938,219357,492072,1105398,2486320,
 5598805,12620832,28477139,64311189,145354456,
 328772330,744155150,1685434388,3819629781,
 8661130303,19649713303,44601771038,101285994072,
 230110466746]

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Last modified June 12 07:43 EDT 2021. Contains 344943 sequences. (Running on oeis4.)