# A048347 (b-file synthesized from sequence entry)
1 5
2 15
3 149
4 1415
5 4585
6 14585
7 105935
8 364585
9 3496101
10 4714045
11 34964585
12 149305935
13 1490725415
14 4714469665
15 1490711985
16 149071333335
17 1105537083332
18 1489973900149
19 15106363633335
20 47140462469223