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A218019 Integers in which the number of distinct base-10 digits is 7. 4
1023456, 1023457, 1023458, 1023459, 1023465, 1023467, 1023468, 1023469, 1023475, 1023476, 1023478, 1023479, 1023485, 1023486, 1023487, 1023489, 1023495, 1023496, 1023497, 1023498, 1023546, 1023547, 1023548, 1023549, 1023564, 1023567, 1023568, 1023569 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

This is to A031969 as 7 is to 4. This is the 7th row of the array A(k,n) = n-th number in which the number of distinct base-10 digits is k. A031969 is the 4th row. A220063 is the 5th row. A220076 is the 6th row. Pandigital numbers A050278 is the 10th row. The subsequence of primes begins: 1023467, 1023487.

LINKS

Table of n, a(n) for n=1..28.

MATHEMATICA

Select[Range[1000000, 1030000], Length[Union[IntegerDigits[#]]] == 7 &] (* T. D. Noe, Dec 04 2012 *)

CROSSREFS

Cf. A031969, A050278, A220063, A220076.

Sequence in context: A254265 A254258 A254304 * A074667 A235159 A235695

Adjacent sequences:  A218016 A218017 A218018 * A218020 A218021 A218022

KEYWORD

nonn,base,easy

AUTHOR

Jonathan Vos Post, Dec 04 2012

STATUS

approved

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Last modified April 18 10:21 EDT 2021. Contains 343087 sequences. (Running on oeis4.)