cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-2 of 2 results.

A010402 Squares mod 41.

Original entry on oeis.org

0, 1, 2, 4, 5, 8, 9, 10, 16, 18, 20, 21, 23, 25, 31, 32, 33, 36, 37, 39, 40
Offset: 1

Views

Author

N. J. A. Sloane

Keywords

Comments

A070463 sorted, duplicates removed. - R. J. Mathar, Jan 12 2024

Crossrefs

Cf. A010443.

Programs

A028795 Nonsquares mod 82.

Original entry on oeis.org

3, 6, 7, 11, 12, 13, 14, 15, 17, 19, 22, 24, 26, 27, 28, 29, 30, 34, 35, 38, 44, 47, 48, 52, 53, 54, 55, 56, 58, 60, 63, 65, 67, 68, 69, 70, 71, 75, 76, 79
Offset: 1

Views

Author

N. J. A. Sloane

Keywords

Crossrefs

Cf. A010443, A028754.

Programs

  • Mathematica
    Complement[Range[0, 81], PowerMod[Range[82], 2, 82]] (* Alonso del Arte, May 01 2020 *)
  • PARI
    for(k=0, 82, if(!issquare(Mod(k, 82)), print1(k, ", "))) \\ Hugo Pfoertner, Nov 29 2019
  • Scala
    (0 to 81).diff((1 to 82).map(n => n * n % 82)) // Alonso del Arte, May 01 2020

Extensions

Incorrect term 41 removed by Alonso del Arte, Nov 29 2019
Showing 1-2 of 2 results.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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