A080466 -id:A080466 - cp's OEIS frontend

A080467 Multiples of 11 in which the even positioned digits from left are odd and the odd positioned ones are even.

0, 418, 616, 638, 814, 836, 858, 2101, 2123, 2145, 2167, 2189, 2321, 2343, 2365, 2387, 2541, 2563, 2585, 2761, 2783, 2981, 4103, 4125, 4147, 4169, 4301, 4323, 4345, 4367, 4389, 4521, 4543, 4565, 4587, 4741, 4763, 4785, 4961, 4983, 6105, 6127, 6149

Offset: 1

Amarnath Murthy, Mar 02 2003

Andrew Howroyd, Table of n, a(n) for n = 1..1000

Intersection of A008593 and A062285.

Cf. A080466.

Terms corrected by Andrew Howroyd, Sep 29 2024

A376692 Numbers with the most significant digit odd and alternating parity of digits.

Original entry on oeis.org

1, 3, 5, 7, 9, 10, 12, 14, 16, 18, 30, 32, 34, 36, 38, 50, 52, 54, 56, 58, 70, 72, 74, 76, 78, 90, 92, 94, 96, 98, 101, 103, 105, 107, 109, 121, 123, 125, 127, 129, 141, 143, 145, 147, 149, 161, 163, 165, 167, 169, 181, 183, 185, 187, 189, 301, 303, 305, 307, 309

Offset: 1

Andrew Howroyd, Oct 01 2024

Andrew Howroyd, Table of n, a(n) for n = 1..10000

Complement of A062285 within A030141.

Cf. A030142, A030143, A080466.

isok(n)=my(d=digits(n)); for(i=1, #d, if((d[i]-i)%2, return(0))); 1

cp's OEIS Frontend

A080467 Multiples of 11 in which the even positioned digits from left are odd and the odd positioned ones are even.

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