login
A277737
Positions of 1's in A277735.
4
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
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
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Nov 07 2016
STATUS
approved