A032965 Numbers whose base-15 representation Sum_{i=0..m} d(i)*15^(m-i) has even d(i) for all odd i.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 19, 21, 23, 25, 27, 29, 30, 32, 34, 36, 38, 40, 42, 44, 45, 47, 49, 51, 53, 55, 57, 59, 60, 62, 64, 66, 68, 70, 72, 74, 75, 77, 79, 81, 83, 85, 87, 89, 90, 92, 94, 96, 98, 100, 102, 104

Offset

1,2

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Mathematica

Select[Range[120], AllTrue[Take[IntegerDigits[#, 15], {2, -1, 2}], EvenQ]&] (* Harvey P. Dale, Dec 21 2022 *)

Crossrefs

Sequence in context: A249611 A323035 A097745 * A033067 A032512 A050723

Adjacent sequences: A032962 A032963 A032964 * A032966 A032967 A032968

Keyword

nonn,base

Author

Clark Kimberling

Extensions

Definition corrected by Sean A. Irvine, Nov 17 2020

Status

approved