# A071884 (b-file synthesized from sequence entry)
0 37
1 77
2 170
3 714
4 3450
5 10414
6 68145
7 303610
8 721305
9 1815066
10 17782782
11 4598150
12 68178460
13 133118649
14 585506070
15 20663527908
16 777507763200
17 264506067126
18 73112062114130
19 5907184479605316
20 516068243814152148