A026180 a(n) = s(k), where k is the n-th number such that s(j)<s(k) for all j<k, where s = A026177.

1, 4, 10, 12, 16, 22, 28, 30, 34, 36, 40, 46, 48, 52, 58, 64, 66, 70, 76, 82, 84, 88, 90, 94, 100, 102, 106, 108, 112, 118, 120, 124, 130, 136, 138, 142, 144, 148, 154, 156, 160, 166, 172, 174, 178, 184, 190, 192, 196, 198, 202, 208

Offset

1,2

Links

Table of n, a(n) for n=1..52.

F. M. Dekking, Permutations of N generated by left-right filling algorithms, arXiv:2001.08915 [math.CO], 2020, see R_orec in section 2.3.

Crossrefs

Cf. A026177.

Sequence in context: A095275 A366530 A117099 * A109274 A071565 A233741

Adjacent sequences: A026177 A026178 A026179 * A026181 A026182 A026183

Keyword

nonn

Author

Clark Kimberling

Status

approved