# A221835 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 1
4 2
5 2
6 5
7 7
8 23
9 48
10 190
11 469
12 2076
13 5613
14 27112
15 80004
16 415821
17 1332560
18 7380671
19 25483465
20 149401274
21 552137511
22 3408722899
23 13414205244
24 86845091349
25 362317409552
26 2451291749604
27 10800354549538
28 76134098052646
29 353054546986058
30 2586405677507199