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A128022 as a simple table

n a(n)
1 1
2 2
3 3
4 8
5 15
6 30
7 63
8 128
9 252
10 510
11 1012
12 2028
13 4056
14 8120
15 16230
16 32464
17 64923
18 129852
19 259711
20 519420
21 1038828
22 2077658
23 4155318
24 8310648
25 16621300
26 33242586
27 66485178
28 132970348
29 265940701
30 531881400
31 1063762799
32 2127525600

[1,2,3,8,15,30,63,128,252,510,1012,2028,4056,8120,
 16230,32464,64923,129852,259711,519420,1038828,
 2077658,4155318,8310648,16621300,33242586,
 66485178,132970348,265940701,531881400,1063762799,
 2127525600]

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Last modified March 28 14:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)