# A249921 (b-file synthesized from sequence entry)
0 1
1 3
2 17
3 111
4 805
5 6147
6 48641
7 394863
8 3266629
9 27421395
10 232867889
11 1996302447
12 17248208485
13 150013649955
14 1312111499105
15 11532737017839
16 101799869875717
17 901975446062451
18 8018470050567953
19 71496291428776815
20 639204721160345509
21 5728606469731066947
22 51453397357702434497