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

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

1,2

Links

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

Prog

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

Crossrefs

Complement of A062285 within A030141.

Cf. A030142, A030143, A080466.

Sequence in context: A327254 A054684 A294601 * A358529 A080207 A348017

Adjacent sequences: A376689 A376690 A376691 * A376693 A376694 A376695

Keyword

nonn,base

Author

Andrew Howroyd, Oct 01 2024

Status

approved