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A336822 Integers with an even number of letters when written in Spanish. 0
3, 4, 6, 8, 10, 11, 12, 15, 17, 19, 20, 23, 24, 26, 28, 33, 34, 36, 38, 40, 41, 42, 45, 47, 49, 53, 54, 56, 63, 64, 66, 68, 73, 74, 76, 78, 83, 84, 86, 88, 93, 94, 96, 98, 100, 103, 104, 106, 108, 110, 111, 112, 115, 117, 119, 120, 123, 124, 126, 128, 133, 134, 136, 138, 140, 141, 142, 145, 147, 149 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

Rodolfo Kurchan, Problem 15, Diversiones con NĂºmeros y Figuras, (2000).

LINKS

Table of n, a(n) for n=1..70.

EXAMPLE

a(4) = 8 because 8 in spanish is written "ocho" and has 4 letters.

MATHEMATICA

Select[Range@ 150, EvenQ@ StringLength@ StringDelete[IntegerName[#, {"Spanish"}], " "] &] (* Michael De Vlieger, Aug 21 2020 *)

CROSSREFS

Cf. A001161.

Sequence in context: A307647 A088070 A175071 * A140497 A260479 A285344

Adjacent sequences:  A336819 A336820 A336821 * A336823 A336824 A336825

KEYWORD

nonn,word

AUTHOR

Rodolfo Kurchan, Aug 04 2020

STATUS

approved

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Last modified January 20 10:09 EST 2022. Contains 350471 sequences. (Running on oeis4.)