A239464 A239461(n) / n^2.
11, 21, 31, 401, 501, 601, 701, 801, 901, 10001, 11001, 12001, 13001, 14001, 15001, 16001, 17001, 18001, 19001, 20001, 21001, 22001, 23001, 24001, 25001, 26001, 27001, 28001, 29001, 30001, 31001, 320001, 330001, 340001, 350001, 360001, 370001, 380001, 390001
Offset: 1
Examples
a(9) = 901 because A239461(9)/9^2 = 72981/81 = 901.
Links
- Vincenzo Librandi, Table of n, a(n) for n = 1..1000
Programs
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Mathematica
Table[ToExpression[ToString[n^3] <> ToString[n^2]]/n^2, {n, 1, 30}] (* Vaclav Kotesovec, Mar 24 2014 *) Table[(FromDigits[Flatten[IntegerDigits/@{n^3,n^2}]])/n^2,{n,40}] (* Harvey P. Dale, Nov 28 2024 *)
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PARI
vector(100, n, eval(Str(n^3, n^2))/n^2)