# A179467 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 7
4 19
5 47
6 131
7 351
8 992
9 2808
10 8131
11 23723
12 70192
13 209209
14 629165
15 1904391
16 5801109
17 17764063
18 54663309
19 168925259
20 524064687
21 1631511342
22 5095440198
23 15960070908
24 50124189982
25 157806721089
26 497953049736
27 1574573746276