# A036735 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 16
4 191
5 2136
6 25282
7 318288
8 4141179
9 55011100
10 744023566
11 10218244168
12 142097817686
13 1996654572040
14 28305096013380
15 404343620288016
16 5814760281237459
17 84111739834677030
18 1223022979126528390
19 17865805764222959380
20 262068371593318209826