A204140 - OEIS

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A204140

Numbers m such that both m and 7m are zeroless pandigital numbers (A050289).

123456789, 123678459, 123875649, 124563789, 124789563, 127593468, 127638945, 127648953, 132487695, 132596478, 134526789, 135246879, 135926748, 135947826, 136245978, 136597482, 136758924, 136875249, 137645982, 137689245, 137826459, 138752649, 138795462, 138976452

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OFFSET

1,1

COMMENTS

There are precisely 24 such numbers.

The only number m such that m and 8m are zeroless pandigital numbers is A050289(1)=123456789.

LINKS

Table of n, a(n) for n=1..24.

FORMULA

a(n) = A204141(n)/7.

CROSSREFS

Cf. A050289, A204141.