# A303914 (b-file synthesized from sequence entry)
0 1
1 2
2 9
3 55
4 465
5 5051
6 69265
7 1147287
8 22307905
9 497211049
10 12484203601
11 348391613615
12 10691846920081
13 357749800027465
14 12958472141161457
15 505088781523073326
16 21076091000708067585
17 937322034938743608556
18 44256147057318887809993
19 2210813717869831566759857
20 116492226446226314836976401