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A011537 Numbers that contain at least one 7. 25
7, 17, 27, 37, 47, 57, 67, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 87, 97, 107, 117, 127, 137, 147, 157, 167, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 187, 197, 207, 217, 227, 237, 247, 257, 267, 270, 271, 272, 273, 274, 275, 276, 277 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Muniru A Asiru, Table of n, a(n) for n = 1..5000

Index entries for 10-automatic sequences.

FORMULA

a(n) ~ n. - Charles R Greathouse IV, Feb 12 2017

MATHEMATICA

Select[Range[300], DigitCount[#, 10, 7]>0&] (* Harvey P. Dale, Mar 29 2016 *)

PROG

(PARI) is(n)=!!setsearch(Set(digits(n)), 7) \\ Charles R Greathouse IV, Feb 12 2017

(GAP) Filtered([1..280], n->7 in ListOfDigits(n)); # Muniru A Asiru, Feb 23 2019

CROSSREFS

Sequence in context: A300186 A261934 A253075 * A283610 A043517 A277594

Adjacent sequences:  A011534 A011535 A011536 * A011538 A011539 A011540

KEYWORD

nonn,base,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified October 17 06:08 EDT 2019. Contains 328106 sequences. (Running on oeis4.)