# A053780 (b-file synthesized from sequence entry)
1 4
2 434
3 505
4 18781
5 27072
6 33633
7 1254521
8 3360633
9 5989895
10 9145419
11 10411401
12 161101161
13 390949093
14 795303597
15 935424539
16 25127372152
17 77753535777
18 1997671767991
19 2300809080032
20 3754911194573
21 6476856586746
22 9825337335289