# A216631 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 1
7 3
8 8
9 18
10 42
11 100
12 265
13 775
14 2241
15 6709
16 20661
17 64264
18 202154
19 647838
20 2095932
21 6861091
22 22703554
23 75731878
24 254656486
25 862839461
26 2942117884
27 10094669306
28 34837009237
29 120849420979
30 421291017964
31 1475463672293