# A357224 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 38
4 315
5 2855
6 27325
7 272030
8 2788042
9 29221793
10 311767823
11 3374650902
12 36968040004
13 409076635878
14 4565873250981
15 51342245169913
16 581093383193700
17 6614534942714496
18 75675364150733073
19 869713202188274489
20 10036085000519702155
21 116238137830534589525