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.

A182943 Ranks of composites when all odd prime powers p^j, for j>=1, are jointly ranked.

Original entry on oeis.org

4, 10, 11, 18, 26, 35, 36, 46, 61, 70, 78, 83, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148
Offset: 1

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Author

Clark Kimberling, Dec 14 2010

Keywords

Comments

Complement of A182942.

Crossrefs

Programs

  • Mathematica
     T[i_,j_]:=Sum[Floor[j*Log[Prime[i+1]]/Log[Prime[h]]],{h,2,PrimePi[Prime[i+1]^j]}]; Complement[Range[200],Table[Flatten[Table[T[i,j],{i,1,80},{j,1,1}]]]]