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A284390
Positions of 1 in A284388; complement of A284389.
4
3, 6, 7, 8, 11, 14, 17, 18, 19, 22, 23, 24, 27, 28, 29, 32, 35, 38, 39, 40, 43, 46, 49, 50, 51, 54, 57, 60, 61, 62, 65, 66, 67, 70, 71, 72, 75, 78, 81, 82, 83, 86, 87, 88, 91, 92, 93, 96, 99, 102, 103, 104, 107, 108, 109, 112, 113, 114, 117, 120, 123, 124
OFFSET
1,1
COMMENTS
This seems to be A098740 without the initial 2. - R. J. Mathar, Apr 05 2017
LINKS
FORMULA
a(n) = 1 + A284393(n+1) for n >= 1.
MATHEMATICA
s = Nest[Flatten[# /. {0 -> {1}, 1 -> {0, 0, 1}}] &, {0}, 8]; (* A284388 *)
Flatten[Position[s, 0]]; (* A284389 *)
Flatten[Position[s, 1]]; (* A284390 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Mar 30 2017
STATUS
approved