# A145219 (b-file synthesized from sequence entry)
1 1
2 0
3 0
4 8
5 15
6 144
7 910
8 7440
9 66717
10 667520
11 7342236
12 88107480
13 1145396395
14 16035550608
15 240533257770
16 3848532125984
17 65425046139705
18 1177650830517120
19 22375365779822392
20 447507315596451240
21 9397653627525472071
22 206748379805560390160
23 4755212735527888968390