# A126526 (b-file synthesized from sequence entry)
0 1
1 31
2 259
3 2211
4 19019
5 164343
6 1424235
7 12368115
8 107567215
9 936593437
10 8162112673
11 71178552195
12 621048996119
13 5421039243545
14 47334756754423
15 413416811445643
16 3611458265770503
17 31553302705135081
18 275714829055325817