A026403 a(n) = position of the n-th n in A026400.

1, 4, 9, 17, 27, 38, 53, 71, 88, 111, 134, 161, 186, 219, 255, 289, 322, 365, 406, 454, 496, 549, 605, 652, 710, 767, 830, 886, 945, 1027, 1106, 1175, 1240, 1323, 1396, 1468, 1545, 1637, 1714, 1793, 1942, 2026, 2145, 2233, 2322, 2439, 2540, 2635, 2732, 2859, 2969

Offset

1,2

Comments

The n-th n is the last n in A026400. - Sean A. Irvine, Sep 26 2019

Links

Table of n, a(n) for n=1..51.

Crossrefs

Sequence in context: A272718 A301255 A009851 * A033604 A152785 A033614

Adjacent sequences: A026400 A026401 A026402 * A026404 A026405 A026406

Keyword

nonn

Author

Clark Kimberling

Extensions

More terms from Sean A. Irvine, Sep 26 2019

Status

approved