# A007768 (b-file synthesized from sequence entry)
1 3
2 3
3 4
4 4
5 6
6 17
7 36
8 44
9 49
10 74
11 122
12 126
13 744
14 7814
15 9238
16 9432
17 52114
18 33241100
19 85747623
20 353210861
21 355051655
22 1950030118
23 32235431345
24 50590143817
25 58937626393
26 482819610949
27 1515905452711
28 2679281166868
29 25090147463646
30 207012319502700