# A260216 (b-file synthesized from sequence entry)
0 1
1 0
2 1
3 2
4 9
5 44
6 265
7 1854
8 14833
9 133496
10 1334961
11 14684570
12 176214841
13 2290792932
14 32071101049
15 481066515734
16 7697064251745
17 130850092279664
18 2355301661033953
19 44750731559645106
20 895014631192902121
21 18795307255050944540
22 145060238642780180480
23 1118480911876659396600