# A033467 (b-file synthesized from sequence entry)
0 1
1 3
2 17
3 9
4 158
5 4193
6 157351
7 397466
8 400611
9 33054527
10 3355270077
11 102758999311
12 2990338571904
13 5998294800553
14 1184659077355591
15 67080741701688404
16 17273086483161957653
17 34605257914722575451
18 6931595973735660593
19 628166167374857855769
20 252204770011462567264474