# A372373 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 10
4 37
5 91
6 334
7 1366
8 4645
9 15967
10 59951
11 220782
12 792946
13 2906554
14 10770082
15 39629440
16 145966549
17 540943231
18 2006762563
19 7443051014
20 27661527427
21 102980882455
22 383639407570
23 1430429881122
24 5339465251426
25 19947662875216
26 74573064834646