# A300910 (b-file synthesized from sequence entry)
0 1
1 0
2 2
3 15
4 116
5 1070
6 11754
7 149436
8 2145296
9 34193736
10 598061160
11 11377384920
12 233732130312
13 5153974126704
14 121354505626704
15 3037419444974040
16 80497938647953920
17 2251124265581428800
18 66225476356207660224
19 2044005966844402035456
20 66025689709572751040640
21 2227221130525199246067840
22 78301158190416233445985920