# A028540 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 7385
4 28315
5 427987
6 1398635
7 10063590
8 30106965
9 148903370
10 415546516
11 1630361950
12 4294071285
13 14375319490
14 36019030960
15 107362236457
16 257518347380
17 702230132030
18 1620548828150
19 4117804435185
20 9180947306314
21 22023446814405
22 47606945661555