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A031490 Numbers whose base-8 representation has one fewer 0 than 7's. 0
7, 15, 23, 31, 39, 47, 55, 57, 58, 59, 60, 61, 62, 79, 87, 95, 103, 111, 119, 121, 122, 123, 124, 125, 126, 143, 151, 159, 167, 175, 183, 185, 186, 187, 188, 189, 190, 207, 215, 223, 231, 239, 247, 249, 250, 251, 252, 253, 254, 271 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

MATHEMATICA

Select[Range[300], DigitCount[#, 8, 7]==DigitCount[#, 8, 0]+1&] (* Harvey P. Dale, Jan 22 2015 *)

CROSSREFS

Cf. A007094.

Sequence in context: A337239 A043449 A136768 * A189754 A059562 A017149

Adjacent sequences:  A031487 A031488 A031489 * A031491 A031492 A031493

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified June 30 03:34 EDT 2022. Contains 354913 sequences. (Running on oeis4.)