A026603 Numbers k such that A026600(k) = 3.

3, 5, 7, 11, 13, 18, 19, 24, 26, 29, 31, 36, 37, 42, 44, 48, 50, 52, 55, 60, 62, 66, 68, 70, 74, 76, 81, 83, 85, 90, 91, 96, 98, 102, 104, 106, 109, 114, 116, 120, 122, 124, 128, 130, 135, 138, 140, 142, 146, 148, 153, 154, 159, 161

Offset

1,1

Comments

It appears that a(n) gives the position of its own n-th 1 modulo 3 term, the n-th 2 modulo 3 term in A026601, and the n-th multiple of 3 in A026602. A026601 and A026602 appear to have the same sort of indexical properties. - Matthew Vandermast, Oct 06 2010

Links

Table of n, a(n) for n=1..54.

Crossrefs

Cf. A026600, A026601, A026602.

Sequence in context: A288893 A046494 A287441 * A287437 A126991 A264754

Adjacent sequences: A026600 A026601 A026602 * A026604 A026605 A026606

Keyword

nonn

Author

Clark Kimberling

Status

approved