A049004 - OEIS

A049004

First letter of English names for months of year, mapping A -> 1, B -> 2 etc.

10, 6, 13, 1, 13, 10, 10, 1, 19, 15, 14, 4, 10, 6, 13, 1, 13, 10, 10, 1, 19, 15, 14, 4, 10, 6, 13, 1, 13, 10, 10, 1, 19, 15, 14, 4, 10, 6, 13, 1, 13, 10, 10, 1, 19, 15, 14, 4, 10, 6, 13, 1, 13, 10, 10, 1, 19, 15, 14, 4, 10, 6, 13, 1, 13, 10, 10, 1, 19, 15, 14, 4, 10, 6, 13, 1, 13, 10

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OFFSET

1,1

COMMENTS

Period 12: repeat [10, 6, 13, 1, 13, 10, 10, 1, 19, 15, 14, 4]. - Joerg Arndt, Aug 15 2014

LINKS

Table of n, a(n) for n=1..78.

Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).

EXAMPLE

a(7)=10 because July begins with the 10th letter.

MATHEMATICA

LetterNumber[DateValue[#, "MonthNameInitial"]]&/@DateRange[{2024, 1, 1}, {2030, 12, 31}, "Month"] (* or *) PadRight[{}, 120, {10, 6, 13, 1, 13, 10, 10, 1, 19, 15, 14, 4}] (* Harvey P. Dale, Sep 10 2024 *)

CROSSREFS

Sequence in context: A167873 A369702 A033986 * A104645 A344103 A181107

Adjacent sequences: A049001 A049002 A049003 * A049005 A049006 A049007

KEYWORD

easy,nonn,word,dumb

AUTHOR

Deepak R. N (deepak_rama(AT)bigfoot.com)

EXTENSIONS

Corrected a(12n+8): August starts with 'A' and not 'H'. - Mark E. Shoulson, Aug 15 2014

a(20) corrected by Daniel Leary, Jul 26 2016

STATUS

approved