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.

A000870 Numbers beginning with letter 's' in English.

Original entry on oeis.org

6, 7, 16, 17, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 600, 601, 602, 603, 604, 605, 606, 607, 608, 609, 610, 611, 612, 613, 614, 615, 616, 617, 618, 619, 620
Offset: 1

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Keywords

Crossrefs

Subsequence of A125299.

Programs

  • Mathematica
    Select[Range[10^3], Function[d, Or[And[Mod[IntegerLength@ #, 3] == 2, MemberQ[{16, 17}, FromDigits@ Take[d, 2]]], MemberQ[{6, 7}, First@ d]]]@ IntegerDigits@ # &] (* Michael De Vlieger, Feb 13 2017 *)

Extensions

Edited by John Cerkan, Feb 13 2017