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 A005606 Position of first letter of n (in English) in alphabet. (Formerly M4958) 6
 26, 15, 20, 20, 6, 6, 19, 19, 5, 14, 20, 5, 20, 20, 6, 6, 19, 19, 5, 14, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS English name for n begins with a(n)-th letter. REFERENCES N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). LINKS Harvey P. Dale, Table of n, a(n) for n = 0..1000 Chris Cole, Email to N. J. A. Sloane, Apr 23 1994 (contains many letter sequences, including the letter equivalent of A005606). EXAMPLE One begins with 'O' and 'O' is the fifteenth letter hence a(1)=15. MATHEMATICA Table[LetterNumber[Characters[IntegerName[n, "Words"]][[1]]], {n, 0, 80}] (* Harvey P. Dale, Jun 06 2016 *) CROSSREFS Sequence in context: A033969 A078547 A036168 * A304138 A305044 A064267 Adjacent sequences:  A005603 A005604 A005605 * A005607 A005608 A005609 KEYWORD word,nonn,nice,easy AUTHOR EXTENSIONS More terms from Larry Reeves (larryr(AT)acm.org), Oct 02 2000 STATUS approved

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Last modified October 22 22:34 EDT 2019. Contains 328335 sequences. (Running on oeis4.)