# A028046 (b-file synthesized from sequence entry)
0 1
1 27
2 481
3 7203
4 98665
5 1285179
6 16245937
7 201600531
8 2472643129
9 30100201131
10 364634299393
11 4403082925059
12 53056831273993
13 638440928326683
14 7675363823623249
15 92216951605023987
16 1107504122083376857
17 13297255155917290635
18 159624707672057279905