A032960 Numbers whose base-10 representation Sum_{i=0..m} d(i)*10^(m-i) has even d(i) for all odd i.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100, 101, 102, 103, 104, 105, 106

Offset

1,2

Links

Robert Israel, Table of n, a(n) for n = 1..10000

Maple

filter:= proc(n) local L, i;
  L:= convert(n, base, 10);
  andmap(t -> type(L[t], even), [seq(i, i=nops(L)-1 .. 1, -2)])
end proc:
select(filter, [$1..200]); # ~~~

Crossrefs

Sequence in context: A067082 A381966 A102685 * A117804 A088235 A064223

Adjacent sequences: A032957 A032958 A032959 * A032961 A032962 A032963

Keyword

nonn,base

Author

Clark Kimberling

Extensions

Definition corrected by Sean A. Irvine, Nov 17 2020

Status

approved