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A008540 Numbers that contain the letter `f'. 2
4, 5, 14, 15, 24, 25, 34, 35, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 64, 65, 74, 75, 84, 85, 94, 95, 104, 105, 114, 115, 124, 125, 134, 135, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..63.

CROSSREFS

Sequence in context: A195747 A238315 A091311 * A290810 A000867 A191142

Adjacent sequences:  A008537 A008538 A008539 * A008541 A008542 A008543

KEYWORD

nonn,word

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified April 20 16:17 EDT 2019. Contains 322310 sequences. (Running on oeis4.)