A164809 a(n) = smallest number which has in its Spanish name the letter "s" in the n-th position,or -1 if no such number exists.

6, -1, 2, 3, -1, 16, 26, 3006, 16, 23, 32, 33, 43, 53, 116, 123, 132, 133, 143, 153, 232, 233, 243, 253, 353, 443, 453, 1353, 1443, 1453, 2353, 2443, 2453, 3453, 4443, 4453

Offset

1,1

Comments

a(1)=Seis, a(3)=doS, a(4)= treS

Links

Table of n, a(n) for n=1..36.

Crossrefs

Sequence in context: A153736 A165070 A246711 * A089128 A222215 A106687

Adjacent sequences: A164806 A164807 A164808 * A164810 A164811 A164812

Keyword

word,sign

Author

Claudio Meller, Aug 26 2009

Status

approved