# A374160 (b-file synthesized from sequence entry)
0 0
1 12
2 60
3 180
4 540
5 1620
6 2700
7 8100
8 12420
9 20700
10 37260
11 1180980
12 62100
13 476100
14 335340
15 186300
16 310500
17 1822500
18 558900
19 53144100
20 931500
21 1676700
22 4284900
23 324860625
24 1925100
25 4657500
26 244462860
27 12854700
28 8383500