# A369388 (b-file synthesized from sequence entry)
0 1
1 3
2 9
3 45
4 249
5 1373
6 9177
7 62257
8 453179
9 3320531
10 24087877
11 183643865
12 1394580343
13 10794949627
14 85730722969
15 686171829489
16 5487361175591
17 43981108061647
18 358362244544957
19 2922625435214613
20 24006575088945973
21 199229783030494775
22 1653790732247194785