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.

User: Robert Dibley

Robert Dibley's wiki page.

Robert Dibley has authored 1 sequences.

A309750 Number of letters in the English names of the months when the names are arranged in alphabetical order.

Original entry on oeis.org

4, 5, 6, 3, 3, 5, 3, 5, 4, 6, 3, 4
Offset: 1

Author

Robert Dibley, Aug 15 2019

Keywords

Comments

In alphabetical order, the months of the Gregorian calendar are: April (4), August (8), December (12), February (2), January (1), July (7), June (6), March (3), May (5), November (11), October (10), September (9).
Based originally on A260249 but with the additional layer of converting numbers to words and taking their lengths.

Crossrefs

Programs

  • Mathematica
    Sort[Array[{DateValue[#, "MonthName"], StringLength@ IntegerName@ DateValue[#, "Month"]} &@ DateObject[{1, #, 1}] &, 12]][[All, -1]] (* Michael De Vlieger, Sep 04 2019 *)

Formula

a(n) = A005589(A260249(n)).