# A287831 (b-file synthesized from sequence entry)
0 1
1 10
2 96
3 924
4 8892
5 85572
6 823500
7 7924932
8 76265388
9 733938084
10 7063035084
11 67970944260
12 654116708844
13 6294876045156
14 60578584659468
15 582976518206148
16 5610260171812140
17 53990200655546148
18 519573366930788172
19 5000101506310370436
20 48118353758378062956