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A207095 as a simple table

n a(n)
1 4
2 10
3 26
4 68
5 176
6 458
7 1193
8 3103
9 8069
10 20982
11 54556
12 141854
13 368847
14 959072
15 2493770
16 6484280
17 16860367
18 43840173
19 113992823
20 296403114
21 770704718
22 2003979505
23 5210729566
24 13548892363
25 35229708616
26 91603972925
27 238187830252

[4,10,26,68,176,458,1193,3103,8069,20982,54556,
 141854,368847,959072,2493770,6484280,16860367,
 43840173,113992823,296403114,770704718,2003979505,
 5210729566,13548892363,35229708616,91603972925,
 238187830252]

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Last modified January 15 13:34 EST 2021. Contains 340187 sequences. (Running on oeis4.)