# A052798 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 40
4 355
5 3475
6 35836
7 384436
8 4243860
9 47905385
10 550404336
11 6415528666
12 75677788275
13 901728156490
14 10837196405920
15 131215506276862
16 1599078373019073
17 19598996116313001
18 241433496694878595