# A248053 (b-file synthesized from sequence entry)
0 1
1 5
2 35
3 285
4 2519
5 23545
6 228715
7 2284365
8 23294551
9 241366025
10 2532599675
11 26845322925
12 286946021495
13 3088651368025
14 33443864305675
15 363983410742925
16 3979005075583255
17 43667580737050025
18 480884378835323675
19 5311978947724802925
20 58839469859529979319
21 653372409529941364345