# A165437 (b-file synthesized from sequence entry)
0 1
1 1
2 7
3 256
4 52450
5 46757209
6 135029200594
7 992649275638900
8 15637211080656145509
9 468371757818481922636261
10 24491541042280069722306974244
11 2097907014780540445950132842480077
12 280173584370772226399860619059838944713
13 56066456120812871209756615894736908159099853