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A032965
Numbers whose base-15 representation Sum_{i=0..m} d(i)*15^(m-i) has even d(i) for all odd i.
1
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
MATHEMATICA
Select[Range[120], AllTrue[Take[IntegerDigits[#, 15], {2, -1, 2}], EvenQ]&] (* Harvey P. Dale, Dec 21 2022 *)
CROSSREFS
Sequence in context: A323035 A372657 A097745 * A033067 A032512 A050723
KEYWORD
nonn,base
EXTENSIONS
Definition corrected by Sean A. Irvine, Nov 17 2020
STATUS
approved