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A007462 as a simple table

n a(n)
0 0
1 1
2 2
3 4
4 14
5 38
6 118
7 338
8 1006
9 2990
10 8974
11 26862
12 80510
13 241390
14 723934
15 2171046
16 6512910
17 19536974
18 58608782
19 175821710
20 527470318
21 1582385678
22 4747139342
23 14241362318
24 42724100334
25 128172182990
26 384516408110
27 1153548740206
28 3460645850030
29 10381936700110

[0,1,2,4,14,38,118,338,1006,2990,8974,26862,80510,
 241390,723934,2171046,6512910,19536974,58608782,
 175821710,527470318,1582385678,4747139342,
 14241362318,42724100334,128172182990,384516408110,
 1153548740206,3460645850030,10381936700110]

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Last modified March 18 22:56 EDT 2024. Contains 370952 sequences. (Running on oeis4.)