# A068778 (b-file synthesized from sequence entry)
1 0
2 0
3 0
4 16
5 80
6 320
7 1184
8 4096
9 15360
10 61440
11 253440
12 1048576
13 4259840
14 17039360
15 67641344
16 268435456
17 1069547520
18 4278190080
19 17146183680
20 68719476736
21 275146342400
22 1100585369600
23 4400196091904
24 17592186044416
25 70351564308480
26 281406257233920