# A052348 (b-file synthesized from sequence entry)
1 0
2 6
3 81
4 276
5 1056
6 1381
7 6906
8 17956
9 34531
10 40056
11 200281
12 520731
13 1001406
14 1482081
15 7410406
16 19267056
17 37052031
18 60765331
19 303826656
20 789949306
21 1519133281
22 3220562556
23 13429138206
24 16102812781
25 41867313231
26 80514063906
27 196454315931
28 711744324931