# A378882 (b-file synthesized from sequence entry)
0 1
1 3
2 15
3 97
4 717
5 5736
6 48340
7 422688
8 3799080
9 34881159
10 325750143
11 3084634305
12 29548452297
13 285825135183
14 2787990695931
15 27391816756281
16 270828413410413
17 2692692976016352
18 26904718314949776
19 270017389769189136
20 2720718671661444780
21 27513054621821846074