# A177203 (b-file synthesized from sequence entry)
0 1
1 10
2 19
3 136
4 649
5 4375
6 26893
7 184438
8 1249507
9 8820901
10 62634223
11 453382597
12 3309224059
13 24424411627
14 181601249779
15 1360466777260
16 10253089323433
17 77706202937131
18 591759519723973
19 4526303458541383
20 34756744887203401