# A109933 (b-file synthesized from sequence entry)
1 1
2 3
3 9
4 53
5 79
6 159
7 237
8 477
9 711
10 4187
11 12561
12 37683
13 265371653
14 796114959
15 2388344877
16 14064697609
17 20964360587
18 42194092827
19 62893081761
20 126582278481
21 188679245283
22 1111111111111
23 3333333333333
24 9999999999999