# A244746 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 25
4 116
5 164
6 194
7 16481
8 11690
9 1664364
10 136498136
11 2564496436
12 4064014
13 491648100
14 436491616160
15 81368116641625
16 9259254936490
17 148136161649810
18 164949369644900
19 149364943691810
20 362536161401640
21 41616363643649040
22 811166442536936160