# A372460 (b-file synthesized from sequence entry)
0 1
1 4
2 40
3 442
4 5136
5 61424
6 748462
7 9240480
8 115194720
9 1446820588
10 18279806600
11 232071505120
12 2958062657550
13 37831613904036
14 485233557808704
15 6239148779539472
16 80397210629541696
17 1037970502613332320
18 13423439565585274180
19 173859642721737225552