# A074043 (b-file synthesized from sequence entry)
1 3
2 15
3 15
4 105
5 1155
6 15015
7 255255
8 4849845
9 140645505
10 4360010655
11 178760436855
12 7686698784765
13 453515228301135
14 27664428926369235
15 1964174453772215685
16 143384735125371745005
17 14481858247662546245505