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A284534
Positions of 0 in A284533; complement of A284535.
4
1, 3, 6, 8, 11, 13, 15, 17, 20, 22, 25, 27, 30, 32, 35, 37, 39, 41, 44, 46, 49, 51, 53, 55, 58, 60, 63, 65, 68, 70, 73, 75, 77, 79, 82, 84, 87, 89, 91, 93, 96, 98, 101, 103, 105, 107, 110, 112, 115, 117, 119, 121, 124, 126, 129, 131, 134, 136, 139, 141, 143
OFFSET
1,2
COMMENTS
Conjecture: a(n)/n -> (3 + sqrt(3))/2.
LINKS
MATHEMATICA
s = Nest[Flatten[# /. {0 -> {1}, 1 -> {0, 1, 0, 1}}] &, {0}, 6] (* A284533 *)
Flatten[Position[s, 0]] (* A284534 *)
Flatten[Position[s, 1]] (* A284535 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 07 2017
STATUS
approved