# A241228 (b-file synthesized from sequence entry)
1 0
2 20
3 252
4 1296
5 4232
6 10668
7 22956
8 43832
9 77160
10 126972
11 198176
12 296976
13 429252
14 602876
15 825552
16 1106376
17 1454192
18 1879956
19 2397024
20 3014312
21 3747564
22 4609476