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.

A028762 Nonsquares mod 49.

Original entry on oeis.org

3, 5, 6, 7, 10, 12, 13, 14, 17, 19, 20, 21, 24, 26, 27, 28, 31, 33, 34, 35, 38, 40, 41, 42, 45, 47, 48
Offset: 1

Views

Author

N. J. A. Sloane

Keywords

Comments

First half of the elements of A028811. - R. J. Mathar, Oct 23 2008

Crossrefs

Cf. A010410, A028811.

Programs

  • Mathematica
    Complement[Range[0, 48], PowerMod[Range[49], 2, 49]] (* Alonso del Arte, Jan 07 2020 *)
  • Scala
    (0 to 48).diff((1 to 49).map(n => n * n % 49)) // Alonso del Arte, Jan 07 2020

A010459 Squares mod 98.

Original entry on oeis.org

0, 1, 2, 4, 8, 9, 11, 15, 16, 18, 22, 23, 25, 29, 30, 32, 36, 37, 39, 43, 44, 46, 49, 50, 51, 53, 57, 58, 60, 64, 65, 67, 71, 72, 74, 78, 79, 81, 85, 86, 88, 92, 93, 95
Offset: 1

Views

Author

N. J. A. Sloane

Keywords

Crossrefs

Cf. A010410.

Programs

Showing 1-2 of 2 results.

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

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