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A039104 Numbers whose base-9 representation has the same number of 4's and 7's. 0
0, 1, 2, 3, 5, 6, 8, 9, 10, 11, 12, 14, 15, 17, 18, 19, 20, 21, 23, 24, 26, 27, 28, 29, 30, 32, 33, 35, 43, 45, 46, 47, 48, 50, 51, 53, 54, 55, 56, 57, 59, 60, 62, 67, 72, 73, 74, 75, 77, 78, 80, 81, 82, 83, 84, 86, 87, 89, 90, 91, 92, 93, 95, 96, 98, 99, 100, 101, 102 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..69.

CROSSREFS

Cf. A007095.

Sequence in context: A049386 A188320 A039143 * A184861 A183572 A285962

Adjacent sequences:  A039101 A039102 A039103 * A039105 A039106 A039107

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified January 17 22:33 EST 2022. Contains 350410 sequences. (Running on oeis4.)