# A289896 (b-file synthesized from sequence entry)
1 0
2 0
3 1
4 8
5 45
6 242
7 1414
8 9432
9 72246
10 628260
11 6116319
12 65856928
13 776628203
14 9950798214
15 137612550620
16 2042588039056
17 32384583304092
18 546155914771464
19 9761655297881037
20 184309987662192600
21 3665514979650544153
22 76586509823743735706
23 1677182881414143407490