# A294767 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 6
4 21
5 74
6 249
7 797
8 2451
9 7318
10 21380
11 61449
12 174378
13 489827
14 1364499
15 3774779
16 10381722
17 28410568
18 77414615
19 210156558
20 568645563
21 1534219643
22 4128788739
23 11085822020
24 29704820778
25 79449163033
26 212145068252
27 565621458225
28 1506010540935
29 4004905219913