# A293210 (b-file synthesized from sequence entry)
0 0
1 2
2 7
3 26
4 97
5 366
6 1388
7 5288
8 20225
9 77618
10 298766
11 1153018
12 4460072
13 17287558
14 67129566
15 261095420
16 1016994627
17 3966529870
18 15488964428
19 60549061804
20 236932924494
21 927984726826
22 3637661249946
23 14270586372348
24 56024073085546
25 220089137078792
26 865154426179408
27 3402841810234762
28 13391422390407194