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A284393 Positions of 1 in A284391; complement of A284392. 4
1, 2, 5, 6, 7, 10, 13, 16, 17, 18, 21, 22, 23, 26, 27, 28, 31, 34, 37, 38, 39, 42, 45, 48, 49, 50, 53, 56, 59, 60, 61, 64, 65, 66, 69, 70, 71, 74, 77, 80, 81, 82, 85, 86, 87, 90, 91, 92, 95, 98, 101, 102, 103, 106, 107, 108, 111, 112, 113, 116, 119, 122, 123 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Clark Kimberling, Table of n, a(n) for n = 1..10000

FORMULA

a(n) = 1 + A284390(n-1) for n >= 3.

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {1}, 1 -> {0, 0, 1}}] &, {0}, 9]; (* A284391 *)

Flatten[Position[s, 0]];  (* A284392 *)

Flatten[Position[s, 1]];  (* A284393 *)

CROSSREFS

Cf. A284390, A284391, A284392.

Sequence in context: A050002 A047578 A259605 * A287366 A080589 A344170

Adjacent sequences:  A284390 A284391 A284392 * A284394 A284395 A284396

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Mar 30 2017

STATUS

approved

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Last modified June 12 14:32 EDT 2021. Contains 344957 sequences. (Running on oeis4.)