# A260464 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 7
4 27
5 91
6 483
7 2227
8 15627
9 92491
10 810963
11 5866147
12 61720827
13 527635291
14 6476783043
15 63886537267
16 896245131627
17 10019232896491
18 158126425788723
19 1975680877259587
20 34645295464104027
21 478434297205284091
22 9228741116739540003
23 139581878985127217107