# A038340 (b-file synthesized from sequence entry)
0 1
1 4
2 9
3 50
4 105
5 616
6 1287
7 7601
8 15873
9 93819
10 195910
11 1158052
12 2418195
13 14294449
14 29849041
15 176444054
16 368442700
17 2177943781
18 4547886208
19 26883530748
20 56137003923
21 331837870408
22 692929213991
23 4096053203771
24 8553197751125