# A028072 (b-file synthesized from sequence entry)
0 1
1 30
2 589
3 9630
4 142621
5 1989510
6 26692669
7 348689550
8 4469016541
9 56480471190
10 706312706749
11 8761344810270
12 107992670570461
13 1324480424684070
14 16179464126208829
15 197010636086927790