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A197051 as a simple table

n a(n)
1 4
2 10
3 38
4 108
5 358
6 1132
7 3580
8 11382
9 36270
10 114992
11 365628
12 1162290
13 3692624
14 11733828
15 37293892
16 118504546
17 376583590
18 1196750110
19 3803034578
20 12085297922
21 38405269512
22 122045123484
23 387837623386
24 1232482503260
25 3916616317912

[4,10,38,108,358,1132,3580,11382,36270,114992,
 365628,1162290,3692624,11733828,37293892,
 118504546,376583590,1196750110,3803034578,
 12085297922,38405269512,122045123484,387837623386,
 1232482503260,3916616317912]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)