# A172011 (b-file synthesized from sequence entry)
0 0
1 12
2 24
3 72
4 192
5 528
6 1440
7 3936
8 10752
9 29376
10 80256
11 219264
12 599040
13 1636608
14 4471296
15 12215808
16 33374208
17 91180032
18 249108480
19 680577024
20 1859371008
21 5079896064
22 13878534144
23 37916860416
24 103590789120
25 283015299072
26 773212176384
27 2112454950912