# A059726 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 13
4 69
5 457
6 3579
7 32521
8 335853
9 3888823
10 49902045
11 703123621
12 10793341131
13 179315984983
14 3205886624445
15 61375996359973
16 1252826360392317
17 27162281897430607
18 623375610559904343
19 15098095476369328345
20 384854289897145441635
21 10299091666341922887571