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

Offset: 1

Author

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

Keywords

• easy
• nonn
• word
• dumb

Comments

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

Examples

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

Links

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

Programs

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 *)

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