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.

A317647 The even members of the "Almost natural numbers" (A007376).

Original entry on oeis.org

2, 4, 6, 8, 0, 2, 4, 6, 8, 2, 0, 2, 2, 2, 2, 2, 4, 2, 2, 6, 2, 2, 8, 2, 0, 2, 4, 6, 8, 4, 0, 4, 4, 2, 4, 4, 4, 4, 4, 6, 4, 4, 8, 4, 0, 2, 4, 6, 8, 6, 0, 6, 6, 2, 6, 6, 4, 6, 6, 6, 6, 6, 8, 6, 0, 2, 4, 6, 8, 8, 0, 8, 8, 2, 8, 8, 4, 8, 8, 6, 8, 8, 8, 8, 0, 2, 4, 6, 8, 0, 0
Offset: 1

Views

Author

Dave Durgin and Robert G. Wilson v, Aug 02 2018

Keywords

Comments

Also even members of A033307.

Examples

			The initial (15) terms of A007376 are 1,2,3,4,5,6,7,8,9,1,0,1,1,1,2; omitting the odd terms 1,3,5,7,9,1,1,1 leaves the first 6 even terms 2,4,6,8,0,2: a(1) through a(6).
		

Crossrefs

Programs

  • Mathematica
    Select[ Flatten[ IntegerDigits /@ Range@ 100], EvenQ]