A277737 Positions of 1's in A277735.

2, 7, 9, 11, 15, 19, 24, 26, 31, 33, 38, 40, 42, 46, 51, 53, 55, 59, 64, 66, 68, 72, 76, 81, 83, 88, 90, 92, 96, 100, 105, 107, 112, 114, 116, 120, 124, 129, 131, 136, 138, 143, 145, 147, 151, 156, 158, 160, 164, 168, 173, 175, 180, 182, 187, 189, 191, 195, 200, 202, 204, 208, 212, 217, 219, 224, 226

Offset

1,1

Comments

{A277736, A277737, A277738} 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..19513

Maple

with(ListTools);
T:=proc(S) Flatten(subs( {0=[0, 1], 1=[2, 0], 2=[0]}, S)); end;
S:=[0];
for n from 1 to 14 do S:=T(S); od:
S; # A277735
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; # A277736
p1; # A277737
p2: # A277738

Crossrefs

Cf. A277735, A277736, A277738.

Cf. also A003144, A003145, A003146.

Sequence in context: A136498 A297826 A288598 * A082371 A090348 A163405

Adjacent sequences: A277734 A277735 A277736 * A277738 A277739 A277740

Keyword

nonn

Author

N. J. A. Sloane, Nov 07 2016

Status

approved