# A059580 (b-file synthesized from sequence entry)
1 1
2 4
3 52
4 912
5 17992
6 377004
7 8189036
8 182127464
9 4118242896
10 94264009684
11 2177854717348
12 50687305553024
13 1186694487776152
14 27918432252733692
15 659490547066121820
16 15632281755808999768
17 371637556504994957728
18 8857868330404952584100
19 211598146901545394669844