# A056316 (b-file synthesized from sequence entry)
1 5
2 10
3 70
4 310
5 1620
6 7790
7 39370
8 195300
9 978050
10 4882740
11 24421870
12 122069940
13 610390620
14 3051757490
15 15258982680
16 76293945000
17 381470703120
18 1907348623450
19 9536748046870
20 47683715818440