The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A287181 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A287181

Positions of 1 in A287179.
(history; published version)

#4 by N. J. A. Sloane at Tue May 23 14:32:00 EDT 2017

STATUS

proposed

approved

#3 by Clark Kimberling at Tue May 23 10:06:23 EDT 2017

STATUS

editing

proposed

#2 by Clark Kimberling at Tue May 23 08:50:59 EDT 2017

NAME

allocated for Clark KimberlingPositions of 1 in A287179.

DATA

1, 2, 4, 5, 9, 11, 12, 14, 15, 19, 25, 27, 28, 32, 34, 35, 37, 38, 42, 44, 45, 47, 48, 52, 58, 60, 61, 65, 71, 77, 79, 80, 84, 86, 87, 89, 90, 94, 100, 102, 103, 107, 109, 110, 112, 113, 117, 119, 120, 122, 123, 127, 133, 135, 136, 140, 142, 143, 145, 146

OFFSET

1,2

LINKS

Clark Kimberling, <a href="/A287181/b287181.txt">Table of n, a(n) for n = 1..10000</a>

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {1, 0}, 1 -> {2, 0}, 2 -> 1}] &, {0}, 9] (* A287179 *)

Flatten[Position[s, 0]] (* A287180 *)

Flatten[Position[s, 1]] (* A287181 *)

Flatten[Position[s, 2]] (* A287182 *)

CROSSREFS

Cf. A287179, A287180, A287182.

KEYWORD

allocated

nonn,easy

AUTHOR

Clark Kimberling, May 22 2017

STATUS

approved

editing

#1 by Clark Kimberling at Sun May 21 13:01:04 EDT 2017

NAME

allocated for Clark Kimberling

KEYWORD

allocated

STATUS

approved