# A177370 (b-file synthesized from sequence entry)
1 1
2 11
3 46
4 266
5 1366
6 7316
7 38596
8 204716
9 1083736
10 5741096
11 30405976
12 161050256
13 853002256
14 4517975216
15 23929617376
16 126744257696
17 671306118496
18 3555600831296
19 18832386726976
20 99746516847296