# A019103 (b-file synthesized from sequence entry)
3 0
4 0
5 6
6 6
7 5
8 27
9 48
10 90
11 240
12 509
13 1258
14 3279
15 7694
16 19611
17 51180
18 128869
19 332925
20 869682
21 2261400
22 5927998
23 15574925
24 40925436
25 107951037
26 285169848
27 754303062
28 2000457878
29 5315573176
30 14150928435
31 37752107214