# A060536 (b-file synthesized from sequence entry)
0 1
1 15
2 45
3 90
4 495
5 1866
6 5990
7 19920
8 62655
9 186525
10 526470
11 1403265
12 3530000
13 8388495
14 18884475
15 40442635
16 82775970
17 162663240
18 308201500
19 565176105
20 1006419120
21 1745321275
22 2955037455
23 4895398755
24 7950135835
25 12677752431