# A127536 (b-file synthesized from sequence entry)
1 0
2 1
3 10
4 77
5 546
6 3740
7 25194
8 168245
9 1118260
10 7413705
11 49085400
12 324794316
13 2148789800
14 14217578856
15 94096891658
16 622997471685
17 4126520887720
18 27345271410275
19 181295437422330
20 1202538435463365
21 7980245606038650