1,1

Rodolfo Kurchan, Problem 16, Diversiones con NÃºmeros y Figuras, (2000).

Table of n, a(n) for n=1..50.

7 is a term because 7 in Spanish is "siete" which has no letter n.

1000 is a term because 1000 in Spanish is "mil" which has no letter n.

Sequence in context: A131629 A167701 A275157 * A114149 A294652 A320143

Adjacent sequences: A336821 A336822 A336823 * A336825 A336826 A336827

nonn,word

Rodolfo Kurchan, Aug 04 2020

approved