# A151447 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 10
4 39
5 130
6 514
7 1943
8 7872
9 31706
10 131650
11 549751
12 2331370
13 9963328
14 42980063
15 186704975
16 816434120
17 3590695220
18 15873104022
19 70496228150
20 314392868577
21 1407453308237
22 6322525455282
23 28492055193081
24 128770519635266
25 583542383148631
26 2650954842074021
27 12070587215220593