# A277107 (b-file synthesized from sequence entry)
1 0
2 96
3 384
4 1248
5 3840
6 11616
7 34944
8 104928
9 314880
10 944736
11 2834304
12 8503008
13 25509120
14 76527456
15 229582464
16 688747488
17 2066242560
18 6198727776
19 18596183424
20 55788550368
21 167365651200
22 502096953696
23 1506290861184
24 4518872583648
25 13556617751040