# A167220 (b-file synthesized from sequence entry)
1 0
2 3
3 15
4 630
5 1830
6 2346
7 4371
8 5253
9 5460
10 19110
11 98346
12 478731
13 519690
14 1216020
15 10669890
16 266539416
17 311737965
18 377836305
19 4375193196
20 5476282185
21 57391534206
22 3361994343645
23 7631474751153
24 9750146019741
25 43606139789376
26 1199784486145710