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A284936
Positions of 0 in A284935; complement of A284937.
3
1, 5, 6, 9, 10, 13, 14, 15, 17, 21, 22, 25, 26, 27, 29, 33, 34, 37, 38, 39, 41, 43, 47, 48, 49, 53, 54, 57, 58, 61, 62, 63, 65, 69, 70, 73, 74, 75, 77, 79, 83, 84, 85, 89, 90, 93, 94, 97, 98, 99, 101, 105, 106, 109, 110, 111, 113, 115, 119, 120, 121, 125
OFFSET
1,2
COMMENTS
Conjecture: a(n) - 2n + 1 is in {0,1,2} for n >= 1.
LINKS
EXAMPLE
As a word, A284935 = 011100..., in which 0 is in positions 1,5,6,9,10,...
MATHEMATICA
s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {1, 1, 0, 0}}] &, {0}, 6] (* A284935 *)
Flatten[Position[s, 0]] (* A284936 *)
Flatten[Position[s, 1]] (* A284937 *)
CROSSREFS
Sequence in context: A049329 A195925 A304432 * A188191 A117827 A246784
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 18 2017
STATUS
approved