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A304964 as a simple table

n a(n)
0 1
1 1
2 5
3 13
4 47
5 133
6 443
7 1333
8 4263
9 13143
10 41419
11 128791
12 403815
13 1259639
14 3941579
15 12310299
16 38492034
17 120271953
18 375964616
19 1174935195
20 3672413322
21 11477465221
22 35872928244
23 112117013835
24 350417746650
25 1095202995267
26 3422999582632
27 10698350241417
28 33437065631262
29 104505382585023

[1,1,5,13,47,133,443,1333,4263,13143,41419,128791,
 403815,1259639,3941579,12310299,38492034,
 120271953,375964616,1174935195,3672413322,
 11477465221,35872928244,112117013835,350417746650,
 1095202995267,3422999582632,10698350241417,
 33437065631262,104505382585023]

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Last modified August 18 08:57 EDT 2019. Contains 326077 sequences. (Running on oeis4.)