# A083515 (b-file synthesized from sequence entry)
1 0
2 5
3 10
4 45
5 125
6 445
7 1914
8 4445
9 1570
10 44445
11 156989
12 444445
13 941538
14 4444445
15 9826365
16 44444445
17 139362425
18 444444445
19 1287131805
20 4444444445
21 2222074045
22 44444444445
23 11388893810
24 444444444445
25 1138889380989
26 4444444444445