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A157904 as a simple table

n a(n)
0 1
1 2
2 4
3 8
4 17
5 36
6 78
7 170
8 375
9 833
10 1870
11 4229
12 9654
13 22223
14 51622
15 120961
16 286029
17 682398
18 1642821
19 3990231
20 9777678
21 24166327
22 60233185
23 151350709
24 383287499
25 977918150
26 2512805727
27 6500178867
28 16921248231
29 44310852884
30 116678914575

[1,2,4,8,17,36,78,170,375,833,1870,4229,9654,
 22223,51622,120961,286029,682398,1642821,3990231,
 9777678,24166327,60233185,151350709,383287499,
 977918150,2512805727,6500178867,16921248231,
 44310852884,116678914575]

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Last modified May 14 07:13 EDT 2021. Contains 343879 sequences. (Running on oeis4.)