# A072251 (b-file synthesized from sequence entry)
0 15
1 45
2 117
3 213
4 -171
5 -4779
6 -35499
7 -207531
8 -1092267
9 -5417643
10 -25864875
11 -120236715
12 -548055723
13 -2460658347
14 -10916375211
15 -47960468139
16 -209021741739
17 -904806443691
18 -3894103681707
19 -16675926354603
20 -71101751929515
21 -301999193762475
22 -1278365519227563