# A097299 (b-file synthesized from sequence entry)
0 6
1 49
2 225
3 765
4 2145
5 5247
6 11583
7 23595
8 45045
9 81510
10 140998
11 234702
12 377910
13 591090
14 901170
15 1343034
16 1961256
17 2812095
18 3965775
19 5509075
20 7548255
21 10212345
22 13656825
23 18067725
24 23666175
25 30713436
26 39516444
27 50433900
28 63882940