# A165610 (b-file synthesized from sequence entry)
1 0
2 0
3 1
4 5
5 31
6 153
7 778
8 3890
9 20693
10 114733
11 676347
12 4207203
13 27633048
14 190864320
15 1382896511
16 10479940137
17 82864510321
18 682075572641
19 5832740001550
20 51724150291262
21 474869801907015
22 4506715684635739
23 44152005758171637
24 445958868912515927
25 4638590331538888532