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A027008 as a simple table

n a(n)
1 1
2 1
3 4
4 8
5 13
6 26
7 54
8 101
9 174
10 370
11 743
12 1397
13 2552
14 5353
15 10636
16 20120
17 38138
18 78753
19 155793
20 296248
21 573382
22 1173183
23 2316317
24 4423690
25 8673078
26 17641499
27 34801731
28 66705394
29 131894869
30 267203186
31 526966454
32 1013155981

[1,1,4,8,13,26,54,101,174,370,743,1397,2552,5353,
 10636,20120,38138,78753,155793,296248,573382,
 1173183,2316317,4423690,8673078,17641499,34801731,
 66705394,131894869,267203186,526966454,1013155981]

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Last modified March 29 00:26 EDT 2024. Contains 371264 sequences. (Running on oeis4.)