# A007058 (b-file synthesized from sequence entry)
0 1
1 5
2 25
3 65
4 265
5 605
6 2125
7 4345
8 14665
9 27965
10 93025
11 171825
12 559645
13 1015565
14 3276725
15 5857865
16 18734665
17 33203045
18 105436225
19 185546785
20 585842065
21 1025381485
22 3222484125
23 5615234265
24 17577530845
25 30517575605
26 95213827825
27 164794865465
28 512692025285
29 885009765485
30 2746575977125