A317423 a(n) is the smallest number such that with the letters of the name of that number we can spell the name of n numbers smaller than a(n) in Spanish.
16, 18, 23, 34, 44, 45, 42, 84, 128, 116, 54, 133, 132, 159, 196, 134, 124, 156, 145, 144, 225, 149, 261, 153, 143, 148, 147, 142, 229, 263
Offset: 1
Examples
a(4) = 34 because with the letters of 34 (treinta y cuatro) we can spell these numbers: 1 (uno), 4 (cuatro), 11 (once) and 30 (treinta). Note that we can also write 40 cuarenta, but 40 is bigger than 34 so it does not count.
Crossrefs
Cf. A317422 (English).