# A333472 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 13
4 59
5 276
6 1317
7 6371
8 31131
9 153292
10 759428
11 3780888
12 18900389
13 94805959
14 476945913
15 2405454213
16 12158471195
17 61574325840
18 312365992620
19 1587052145492
20 8074474510884
21 41131551386120
22 209760563456920
23 1070822078321520
24 5471643738383781
25 27982867986637151