# A281700 (b-file synthesized from sequence entry)
0 0
1 0
2 0
3 30
4 456
5 3396
6 14538
7 52840
8 150116
9 380336
10 860924
11 1839406
12 3551856
13 6684280
14 11834214
15 20108168
16 33051136
17 53176968