# A116871 (b-file synthesized from sequence entry)
0 42
1 174
2 645
3 2333
4 8398
5 30275
6 109550
7 398180
8 1453908
9 5332407
10 19639521
11 72616727
12 269473750
13 1003347975
14 3747412770
15 14036374680
16 52714429260
17 198459284400
18 748867149234
19 2831788492218
20 10729442739596