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.

-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

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