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A284469
Positions of 0 in A284468; complement of A284470.
3
1, 3, 4, 6, 8, 9, 12, 14, 15, 16, 18, 19, 21, 23, 24, 27, 29, 30, 32, 34, 35, 38, 40, 41, 42, 44, 45, 47, 49, 50, 54, 56, 57, 60, 62, 63, 65, 67, 68, 71, 73, 74, 75, 77, 78, 79, 81, 82, 84, 86, 87, 90, 92, 93, 94, 96, 97, 99, 101, 102, 105, 107, 108, 110
OFFSET
1,2
COMMENTS
Conjecture: a(n)/n -> (7 + sqrt(13))/6.
LINKS
MATHEMATICA
s = Nest[Flatten[# /. {0 -> {1}, 1 -> {0, 1, 0, 0}}] &, {0}, 16]; (* A284468 *)
Flatten[Position[s, 0]]; (* A284469 *)
Flatten[Position[s, 1]]; (* A284470*)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 02 2017
STATUS
approved