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A013399 as a simple table

na(n)
0-1
1-7
2-47
32809
4506893
583115485
616337883105
73980912553745
81198885514196949
9441311715413932261
10196017910100566581641
11103733615818680354449241
1264634094120174715384992573

[-1,-7,-47,2809,506893,83115485,16337883105,
 3980912553745,1198885514196949,441311715413932261,
 196017910100566581641,103733615818680354449241,
 64634094120174715384992573]