# A271610 (b-file synthesized from sequence entry)
1 1
2 3
3 2
4 6
5 240
6 2238
7 2196
8 37004
9 20454036
10 970623228
11 2317631400
12 216893681800
13 1257138602103744
14 316487245419538728
15 2326335506123418128
16 1208982377794384163088
17 63184698521304672890081520
18 85953148896748583125564477008
19 2220650888749669503773432361504