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A256051 as a simple table

na(n)
0-1
17
221
343
494
5168
6308
7525
8882
91407
102255
113468
125306
137931
1411766
1517136
1624809
1735379
1850155
1970308
2097944
21135148
22185535
23252630
24342259
25460571
26616854
27821296
281088842
291435959
301886234
312466290
323212733
334167709
345388145
356939645
368909383
3711399094

[-1,7,21,43,94,168,308,525,882,1407,2255,3468,
 5306,7931,11766,17136,24809,35379,50155,70308,
 97944,135148,185535,252630,342259,460571,616854,
 821296,1088842,1435959,1886234,2466290,3212733,
 4167709,5388145,6939645,8909383,11399094]