A026415 Numbers k such that A026409(k) is odd.

1, 3, 6, 7, 9, 11, 12, 16, 17, 19, 22, 24, 25, 26, 27, 32, 33, 35, 36, 38, 41, 44, 45, 48, 49, 50, 53, 54, 55, 58, 60, 61, 62, 67, 70, 71, 74, 75, 76, 80, 84, 85, 86, 87, 88, 89, 91, 96, 99, 101, 102, 104, 105, 107, 108, 112, 114, 117, 118, 120, 121, 124, 127, 128, 129, 132

Offset

1,2

Links

Table of n, a(n) for n=1..66.

Crossrefs

Cf. A026409.

Sequence in context: A268380 A268378 A221264 * A026406 A289182 A188974

Adjacent sequences: A026412 A026413 A026414 * A026416 A026417 A026418

Keyword

nonn

Author

Clark Kimberling

Extensions

More terms from Sean A. Irvine, Sep 26 2019

Status

approved