# A163148 (b-file synthesized from sequence entry)
0 1
1 13
2 149
3 1617
4 17081
5 177893
6 1838509
7 18920457
8 194255281
9 1991777533
10 20407378949
11 209003188737
12 2140015661801
13 21909062453333
14 224284075207069
15 2295910518566457
16 23501807859846241
17 240570205162118893