# A318914 (b-file synthesized from sequence entry)
0 1
1 0
2 1
3 2
4 15
5 44
6 475
7 2274
8 33313
9 227240
10 2920041
11 26754650
12 469513231
13 4613913732
14 85842524755
15 1174844041994
16 24672317426625
17 334246510927184
18 7985602649948113
19 127351500133158450
20 3282809137540001551
21 60776696924693716700
22 1556379682561575238731
23 32568139442090869594802