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.

A349315 Ordinal transform of A348674.

Original entry on oeis.org

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60
Offset: 0

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Author

Alois P. Heinz, Nov 14 2021

Keywords

Comments

n is the a(n)-th nonnegative integer having value A348674(n).

Crossrefs

Programs

  • Maple
    b:= proc(s) option remember; (n-> {parse(s), seq(seq(seq(x+y,
          y=b(s[i+1..n])), x=b(s[1..i])), i=1..n-1)})(length(s))
        end:
    p:= proc() 0 end:
    a:= proc(n) option remember; local t;
          t:= nops(b(""||n));
          p(t):= p(t)+1
        end:
    seq(a(n), n=0..100);

Formula

a(n) = 1 <=> n in { A349316 }.