# A125487 (b-file synthesized from sequence entry)
0 1
1 30
2 480
3 6420
4 99420
5 1572180
6 25422222
7 416454978
8 6885816564
9 114581515836
10 1915137946090
11 32108164577926
12 539443877987058
13 9076218410008338
14 152859785704323702
15 2576172883673109030