179 citations · 476 across the 32 of their papers we have counts for
32 papers
On Dissecting Polygons into Rectangles
N. J. A. Sloane, Gavin A. Theobald
What is the smallest number of pieces that you can cut an n-sided regular polygon into so that the pieces can be rearranged to form a rectangle? Call it r(n). The rectangle may hav…
The Binary Two-Up Sequence
Michael De Vlieger, Thomas Scheuerle, Rémy Sigrist +2
The Binary Two-Up Sequence is the lexicographically earliest sequence of distinct nonnegative integers with the property that the binary expansion of the n-th term has no 1-bits in…
On Kaprekar's Junction Numbers
Max A. Alekseyev, N. J. A. Sloane
A base-b junction number u has the property that there are at least two ways to write it as u = v + s(v), where s(v) is the sum of the digits in the expansion of the number v in ba…
Graphical Enumeration and Stained Glass Windows, 1: Rectangular Grids
Lars Blomberg, Scott R. Shannon, N. J. A. Sloane
A survey of enumeration problems arising from the study of graphs formed when the edges of a polygon are marked with evenly spaced points and every pair of points is joined by a li…
"Choix de Bruxelles": A New Operation on Positive Integers
Eric Angelini, Lars Blomberg, Charlie Neder +2
The "Choix de Bruxelles" operation replaces a positive integer n by any of the numbers that can be obtained by halving or doubling a substring of the decimal representation of n. F…
The On-Line Encyclopedia of Integer Sequences
N. J. A. Sloane
The recent history of The On-Line Encyclopedia of Integer Sequences (or OEIS), describing developments since 2009, and discussing recent sequences involving interesting unsolved pr…