# A370248 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 16
4 67
5 276
6 1200
7 5293
8 23427
9 104425
10 468428
11 2110725
12 9546256
13 43315546
14 197088195
15 898910916
16 4108495491
17 18812770011
18 86285313327
19 396332663094
20 1822878714492
21 8394131895424
22 38696042930251
23 178561943852670
24 824720550229584
25 3812313399877776