# A144045 (b-file synthesized from sequence entry)
1 1
2 6
3 222
4 9918
5 486924
6 25267236
7 1359631776
8 75059524392
9 4223303759148
10 241144782230124
11 13930829740017132
12 812470444305924300
13 47760356825349969600
14 2826309951801018736800
15 168207011284961649886800
16 10060178088232285063542768
17 604273284101165691102038556