# A113147 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 10
4 110
5 1954
6 47270
7 1437562
8 52531310
9 2239259266
10 109021857446
11 5966767051354
12 362558298692270
13 24214789406313442
14 1763062297639690790
15 138975554045857840570
16 11790733617760291994990
17 1071215297856049456744642