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A219700 as a simple table

n a(n)
1 4
2 7
3 25
4 64
5 158
6 374
7 841
8 1789
9 3619
10 7008
11 13059
12 23510
13 41018
14 69536
15 114803
16 184969
17 291379
18 449542
19 680313
20 1011318
21 1478654
22 2128898
23 3021461
24 4231325
25 5852203
26 8000164
27 10817767
28 14478750
29 19193322
30 25214108
31 32842799
32 42437561

[4,7,25,64,158,374,841,1789,3619,7008,13059,23510,
 41018,69536,114803,184969,291379,449542,680313,
 1011318,1478654,2128898,3021461,4231325,5852203,
 8000164,10817767,14478750,19193322,25214108,
 32842799,42437561]

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Last modified December 7 02:57 EST 2021. Contains 349567 sequences. (Running on oeis4.)