A026412 a(n) = position of the n-th n in A026409.

1, 4, 9, 18, 27, 40, 55, 72, 89, 113, 140, 167, 194, 221, 253, 294, 329, 369, 419, 452, 502, 552, 618, 677, 721, 776, 836, 894, 976, 1049, 1121, 1175, 1248, 1348, 1415, 1489, 1574, 1658, 1756, 1845, 1925, 2037, 2122, 2224, 2356, 2442, 2551, 2635, 2762, 2875, 3000

Offset

1,2

Links

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

Crossrefs

Sequence in context: A100435 A160172 A256536 * A101424 A301197 A008021

Adjacent sequences: A026409 A026410 A026411 * A026413 A026414 A026415

Keyword

nonn

Author

Clark Kimberling

Extensions

More terms from Sean A. Irvine, Sep 26 2019

Status

approved