# A118042 (b-file synthesized from sequence entry)
0 1
1 4
2 14
3 44
4 130
5 364
6 990
7 2540
8 6514
9 15640
10 38434
11 87940
12 209166
13 460224
14 1063818
15 2266576
16 5105788
17 10573476
18 23296326
19 47097284
20 101395460
21 200414252
22 424162586
23 823203108
24 1705499044
25 3248816636
26 6647515550
27 12492112904