# A264907 (b-file synthesized from sequence entry)
0 1
1 2
2 15
3 255
4 5865
5 146965
6 3380195
7 125067215
8 7378965685
9 494390700895
10 36090521165335
11 2571956263189313
12 187752807212819849
13 18212022299643525353
14 1839414252263996060653
15 196817324992247578489871
16 21453088424154986055395939
17 2981979290957543061700035521