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A289961 as a simple table

n a(n)
0 1
1 2
2 6
3 15
4 31
5 60
6 124
7 252
8 508
9 1008
10 2032
11 4080
12 8176
13 16368
14 32752
15 65520
16 131056
17 262000
18 524144
19 1048560
20 2097136
21 4194160
22 8388464
23 16777200
24 33554416
25 67108272
26 134217136
27 268435440
28 536870896
29 1073739696
30 2147481520
31 4294966864
32 8589934160

[1,2,6,15,31,60,124,252,508,1008,2032,4080,8176,
 16368,32752,65520,131056,262000,524144,1048560,
 2097136,4194160,8388464,16777200,33554416,
 67108272,134217136,268435440,536870896,1073739696,
 2147481520,4294966864,8589934160]

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Last modified August 29 08:53 EDT 2024. Contains 375511 sequences. (Running on oeis4.)