# A026950 (b-file synthesized from sequence entry)
0 1
1 3
2 10
3 25
4 75
5 175
6 500
7 1125
8 3125
9 6875
10 18750
11 40625
12 109375
13 234375
14 625000
15 1328125
16 3515625
17 7421875
18 19531250
19 41015625
20 107421875
21 224609375
22 585937500
23 1220703125
24 3173828125
25 6591796875
26 17089843750
27 35400390625