A018267 Divisors of 63.
1, 3, 7, 9, 21, 63
Offset: 1
Programs
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Mathematica
Divisors[63] (* Wesley Ivan Hurt, Sep 04 2022 *)
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PARI
divisors(63) \\ Charles R Greathouse IV, Jun 22 2017
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.
Divisors[63] (* Wesley Ivan Hurt, Sep 04 2022 *)
divisors(63) \\ Charles R Greathouse IV, Jun 22 2017