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A189637 Positions of 1 in A116178; complement of A189636. 5
3, 6, 8, 9, 12, 15, 17, 18, 21, 23, 24, 26, 27, 30, 33, 35, 36, 39, 42, 44, 45, 48, 50, 51, 53, 54, 57, 60, 62, 63, 66, 68, 69, 71, 72, 75, 77, 78, 80, 81, 84, 87, 89, 90, 93, 96, 98, 99, 102, 104, 105, 107, 108, 111, 114, 116, 117, 120, 123, 125, 126, 129, 131, 132, 134, 135, 138, 141, 143, 144, 147, 149, 150, 152, 153, 156, 158, 159, 161, 162, 165, 168, 170, 171, 174 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
See A116178.
LINKS
F. M. Dekking, Permutations of N generated by left-right filling algorithms, arXiv:2001.08915 [math.CO], 2020.
FORMULA
A340407(a(n)) = A254046(a(n)). Discovered with help from sequencedb.net. - Thomas Scheuerle, Jun 20 2022
MATHEMATICA
t = Nest[Flatten[# /. {0->{0, 0, 1}, 1->{0, 1, 1}}] &, {0}, 5] (* A116178 *)
f[n_] := t[[n]]
Flatten[Position[t, 0]] (* A189636 *)
Flatten[Position[t, 1]] (* A189637 *)
s[n_] := Sum[f[i], {i, 1, n}]; s[0] = 0;
Table[s[n], {n, 1, 120}] (* A189638 *)
CROSSREFS
Sequence in context: A155723 A095277 A185717 * A182338 A267415 A140516
KEYWORD
nonn
AUTHOR
Clark Kimberling, Apr 24 2011
STATUS
approved

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Last modified May 20 08:57 EDT 2024. Contains 372710 sequences. (Running on oeis4.)