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A164806 a(n) = smallest number which has in its Spanish name the letter "r" in the n-th position,or -1 if no such number exists. 0
-1, 3, 0, 40, 4, -1, 1040, 23, 3003, 33, 24, 53, 34, 44, 54, 133, 124, 153, 134, 144, 154, 253, 234, 244, 254, 354, 444, 454, 1354, 1444, 1454, 2354, 2444, 2454, 3454, 4444, 4454 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

a(2)=tRes, a(3)=ceRo, a(4)= cuaRenta

LINKS

Table of n, a(n) for n=1..37.

CROSSREFS

Sequence in context: A157308 A157310 A172396 * A105751 A177698 A009786

Adjacent sequences:  A164803 A164804 A164805 * A164807 A164808 A164809

KEYWORD

word,sign

AUTHOR

Claudio Meller, Aug 26 2009

STATUS

approved

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Last modified October 21 20:44 EDT 2019. Contains 328315 sequences. (Running on oeis4.)