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URL: https://oeis.org/A276137

⇱ A276137 - OEIS

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A276137
Numbers without the decimal digits 2, 4, 6 and 8.
3
0, 1, 3, 5, 7, 9, 10, 11, 13, 15, 17, 19, 30, 31, 33, 35, 37, 39, 50, 51, 53, 55, 57, 59, 70, 71, 73, 75, 77, 79, 90, 91, 93, 95, 97, 99, 100, 101, 103, 105, 107, 109, 110, 111, 113, 115, 117, 119, 130, 131, 133, 135, 137, 139, 150, 151, 153, 155, 157
OFFSET
1,3
MATHEMATICA
Select[Select[Select[Select[Range[0, 400], FreeQ[IntegerDigits@#, 2] &], FreeQ[IntegerDigits@#, 4] &], FreeQ[IntegerDigits@#, 6] &], FreeQ[IntegerDigits@#, 8] &]
PROG
(Magma) [n: n in [0..500] | IsEmpty(Set([2..8 by 2]) meet Set(Intseq(n)))];
(PARI) my(table=[0, 1, 3, 5, 7, 9]); a(n) = fromdigits(apply(d->table[d+1], digits(n-1, 6))); \\ Kevin Ryde, Jun 26 2021
CROSSREFS
Cf. A096844 (with at least one 0 digit).
Subsequence of A168501.
Sequence in context: A091066 A277599 A103848 * A079377 A186379 A186381
KEYWORD
nonn,base,easy
AUTHOR
Vincenzo Librandi, Aug 22 2016
STATUS
approved