# A152410 (b-file synthesized from sequence entry)
0 1
1 4
2 28
3 260
4 2916
5 37712
6 547240
7 8751688
8 152309648
9 2857598164
10 57379111732
11 1225920973324
12 27737038620452
13 661937827915872
14 16605857832896944
15 436636765049489648
16 12002769920717089856
17 344160801015503753892