A120722 Absolute differences between A109441 and A100948.
0, 1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 24, 75, 192, 305, 657, 1616, 2454, 4962, 13360, 20069, 40221, 120860, 181335, 362760, 1209464, 1814257, 3628656, 13305447, 19958232, 39916629, 159667010, 239500605, 479001404, 2075673390, 3113510176
Offset: 1
Crossrefs
Cf. A100948.
Programs
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Mathematica
a = Union[Flatten[Table[{(n + 1)^2 - 1, (2*n + 1)*(2*n + 1 - 1)/2, (2*n)^2, (2*n)*(2*n - 1)/2}, {n, 0, 15}]]]; b = Flatten[Table[{If[n < 3, 1, n!/3], If[n < 2, 1, n!/2], n!}, {n, 1, Length[a]}]]; aout = Union[Table[Abs[b[[n]] - a[[n]]], {n, 1, Length[a]}]]