# A090490 (b-file synthesized from sequence entry)
1 1
2 110
3 11100
4 1111000
5 111110000
6 11111100000
7 1111111000006
8 111111110000064
9 11111111100000648
10 1111111111000006480
11 111111111110000064800
12 11111111111100000648000
13 1111111111111000006480005
14 111111111111110000064800052
15 11111111111111100000648000525