# A056339 (b-file synthesized from sequence entry)
1 0
2 0
3 0
4 0
5 1
6 9
7 76
8 542
9 3523
10 21392
11 123680
12 690541
13 3756151
14 20042513
15 105394295
16 548123440
17 2826435403
18 14479201301
19 73794961960
20 374603863517
21 1895632969275
22 9568915248589
23 48208452866816