# A035892 (b-file synthesized from sequence entry)
0 1
1 0
2 2048
3 0
4 700416
5 0
6 96376832
7 0
8 7172939776
9 0
10 336604997632
11 0
12 10951050137600
13 0
14 263584490403840
15 0
16 4921913935446016
17 68719476736
18 73938443596679168
19 12850542149632
20 919638329955807232