# A037156 (b-file synthesized from sequence entry)
0 1
1 55
2 5050
3 500500
4 50005000
5 5000050000
6 500000500000
7 50000005000000
8 5000000050000000
9 500000000500000000
10 50000000005000000000
11 5000000000050000000000
12 500000000000500000000000
13 50000000000005000000000000
14 5000000000000050000000000000