# A359453 (b-file synthesized from sequence entry)
0 0
1 12
2 192
3 4032
4 79872
5 1600512
6 31997952
7 640008192
8 12799967232
9 256000131072
10 5119999475712
11 102400002097152
12 2047999991611392
13 40960000033554432
14 819199999865782272
15 16384000000536870912
16 327679999997852516352
17 6553600000008589934592
18 131071999999965640261632