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A284392
Positions of 0 in A284391; complement of A284393.
4
3, 4, 8, 9, 11, 12, 14, 15, 19, 20, 24, 25, 29, 30, 32, 33, 35, 36, 40, 41, 43, 44, 46, 47, 51, 52, 54, 55, 57, 58, 62, 63, 67, 68, 72, 73, 75, 76, 78, 79, 83, 84, 88, 89, 93, 94, 96, 97, 99, 100, 104, 105, 109, 110, 114, 115, 117, 118, 120, 121, 125, 126
OFFSET
1,1
LINKS
FORMULA
a(n) = -1 + A284389(n+2) for n >= 1.
MATHEMATICA
s = Nest[Flatten[# /. {0 -> {1}, 1 -> {0, 0, 1}}] &, {0}, 9]; (* A284391 *)
Flatten[Position[s, 0]]; (* A284392 *)
Flatten[Position[s, 1]]; (* A284393 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Mar 30 2017
STATUS
approved