# A227714 (b-file synthesized from sequence entry)
0 1
1 12
2 178
3 2688
4 35995
5 407992
6 3952943
7 33615105
8 257526804
9 1815863659
10 11982128854
11 74936243346
12 448516091145
13 2588488505682
14 14488775962673
15 79019272700951
16 421449109356322
17 2204733396548381
18 11340131754176896
19 57464577063754608