# A084798 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 15
4 36
5 84
6 195
7 451
8 1041
9 2402
10 5539
11 12772
12 29447
13 67893
14 156531
15 360889
16 832045
17 1918313
18 4422746
19 10196812
20 23509143
21 54201233
22 124963024
23 288107051
24 664241868
25 1531435129
26 3530782484
27 8140354569
28 18767899975
29 43270113911