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A151412 as a simple table

n a(n)
0 1
1 1
2 3
3 7
4 21
5 63
6 198
7 648
8 2148
9 7303
10 25159
11 87771
12 309885
13 1103217
14 3961285
15 14322270
16 52098790
17 190586734
18 700547511
19 2586505466
20 9587737311
21 35667671240
22 133128177959
23 498385063314
24 1870940572326
25 7041423384111
26 26563151794983
27 100425970551436
28 380444157541490
29 1443958508666422

[1,1,3,7,21,63,198,648,2148,7303,25159,87771,
 309885,1103217,3961285,14322270,52098790,
 190586734,700547511,2586505466,9587737311,
 35667671240,133128177959,498385063314,
 1870940572326,7041423384111,26563151794983,
 100425970551436,380444157541490,1443958508666422]

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Last modified September 19 18:37 EDT 2020. Contains 337181 sequences. (Running on oeis4.)