# A345340 (b-file synthesized from sequence entry)
0 0
1 0
2 1
3 6
4 36
5 200
6 1120
7 6272
8 35392
9 200832
10 1145856
11 6566912
12 37779456
13 218050560
14 1262030848
15 7322034176
16 42570760192
17 247970693120
18 1446799212544
19 8453937692672
20 49463868522496
21 289761061240832
22 1699288462655488
23 9975342691254272
24 58611909535989760