login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A260480
Positions of 0 in the infinite palindromic word at A260455.
3
2, 5, 7, 9, 12, 15, 18, 20, 22, 25, 27, 29, 32, 34, 36, 39, 42, 45, 47, 49, 52, 55, 58, 60, 62, 65, 68, 71, 73, 75, 78, 80, 82, 85, 87, 89, 92, 95, 98, 100, 102, 105, 107, 109, 112, 114, 116, 119, 122, 125, 127, 129, 132, 134, 136, 139, 141, 143, 146, 149
OFFSET
1,1
COMMENTS
Complement of A260479. See A260390 for a guide to related sequences.
LINKS
MATHEMATICA
u[1] = {0}; m[1] = {1}; u[n_] := u[n] = Join[u[n - 1], m[n - 1], Reverse[u[n - 1]]];
m[k_] := If[OddQ[k], {1}, {}]
v = u[8] (* A240455 *)
Flatten[Position[v, 0]] (* A260479 *)
Flatten[Position[v, 1]] (* A260480 *)
CROSSREFS
Sequence in context: A080652 A187344 A342741 * A151716 A175072 A115863
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Aug 29 2015
STATUS
approved