# A279763 (b-file synthesized from sequence entry)
0 1
1 1
2 21
3 105
4 535
5 2670
6 12996
7 59546
8 266875
9 1161894
10 4939778
11 20528320
12 83636061
13 334496221
14 1315381029
15 5091782355
16 19424086781
17 73092029218
18 271537720562
19 996656173345
20 3616680935702
21 12983391870459
22 46133749660407
23 162337625047433
24 565962994479384
25 1955721907216420
26 6701061533668542
27 22774651422340672