# A122011 (b-file synthesized from sequence entry)
1 0
2 1
3 13
4 141
5 1499
6 15899
7 168585
8 1787533
9 18953419
10 200965203
11 2130856217
12 22593703397
13 239563527915
14 2540118496459
15 26933156445577
16 285575226955869
17 3027985613779691
18 32106065273909411
19 340424149534129305