# A371416 (b-file synthesized from sequence entry)
0 1
1 3
2 18
3 136
4 1152
5 10458
6 99472
7 978453
8 9871686
9 101590654
10 1062271704
11 11253818628
12 120535386692
13 1303045817184
14 14199323523912
15 155805565801803
16 1720024043803542
17 19090440094335912
18 212897898182054224
19 2384431948345110510
20 26808516659219953680