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A277732 Positions of 0's in A277731. 4
1, 3, 6, 8, 11, 12, 14, 17, 19, 22, 23, 25, 27, 30, 32, 35, 36, 38, 41, 43, 46, 47, 49, 51, 54, 56, 59, 61, 64, 65, 67, 70, 72, 75, 76, 78, 80, 83, 85, 88, 89, 91, 94, 96, 99, 100, 102, 104, 107, 109, 112, 114, 117, 118, 120, 123, 125, 128, 129, 131, 134, 136, 139, 140, 142, 144, 147, 149, 152, 153 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

{A277732, A277733, A277734} forms a three-way partition of the positive integers, similar to {A003144, A003145, A003146}.

LINKS

N. J. A. Sloane, Table of n, a(n) for n = 1..20000

MAPLE

with(ListTools);

T:=proc(S) Flatten(subs( {0=[0, 1], 1=[0, 1, 2], 2=[0]}, S)); end;

S:=[0];

for n from 1 to 14 do S:=T(S); od:

S; # A277731

p0:=[]: p1:=[]: p2:=[]:

for i from 1 to nops(S) do

j:=S[i];

if j=0 then p0:=[op(p0), i];

elif j=1 then p1:=[op(p1), i];

else p2:=[op(p2), i]; fi: od:

p0; # A277732

p1; # A277733

p2; # A277734

CROSSREFS

Cf. A052980, A277731, A277733, A277734.

Cf. also A003144, A003145, A003146.

Sequence in context: A124051 A294086 A308221 * A026604 A013642 A140482

Adjacent sequences:  A277729 A277730 A277731 * A277733 A277734 A277735

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Nov 07 2016

STATUS

approved

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Last modified January 21 13:55 EST 2020. Contains 331113 sequences. (Running on oeis4.)