# A006553 (b-file synthesized from sequence entry)
1 1
2 2
3 6
4 10
5 18
6 40
7 46
8 86
9 118
10 170
11 1172
12 1698
13 1810
14 2268
15 4338
16 18362
17 72662
18 88392
19 94110
20 161538
21 168660
22 292340
23 401208
24 560750
25 1035092