# A207420 (b-file synthesized from sequence entry)
1 2
2 16
3 114
4 1521
5 55361
6 3892729
7 474552171
8 116947584576
9 59951676534906
10 60921409199181129
11 121441530119384020545
12 483128923550195512221129
13 3857404253001354057074186601
14 61418617253685924322130029824769