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A126965 as a simple table

na(n)
0-1
11
29
375
4735
58505
6114345
71756755
830405375
9585810225
1012439852425
11288735522075
127273385294175
13197646339515625
145763367260275625
15179518217255251875
165948862302837829375
17208977775735174070625
187757508341684492015625
19303429397707601987696875

[-1,1,9,75,735,8505,114345,1756755,30405375,
 585810225,12439852425,288735522075,7273385294175,
 197646339515625,5763367260275625,
 179518217255251875,5948862302837829375,
 208977775735174070625,7757508341684492015625,
 303429397707601987696875]