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.

A353115 Base-7 representation of A000422(n).

Original entry on oeis.org

1, 30, 636, 15412, 314241, 5363433, 122026543, 2113022646, 33321631443, 536166343420, 143160211151106, 34336660114345260, 11025520662032415631, 2346534662055361221261, 535040660151320030232114, 150206616416004416563301662
Offset: 1

Views

Author

Seiichi Manyama, Apr 24 2022

Keywords

Crossrefs

Programs

  • Ruby
    def A(k, n)
      (1..n).map{|i| (1..i).to_a.reverse.join.to_i.to_s(k).to_i}
    end
    p A(7, 20)

Formula

a(n) = A007093(A000422(n)).