A360417 a(n) = 8*n^2 - 7*n + 2.

3, 20, 53, 102, 167, 248, 345, 458, 587, 732, 893, 1070, 1263, 1472, 1697, 1938, 2195, 2468, 2757, 3062, 3383, 3720, 4073, 4442, 4827, 5228, 5645, 6078, 6527, 6992, 7473, 7970, 8483, 9012, 9557

Offset

1,1

Comments

This is one of the four quadratic sequences that, interleaved, yield A360418.

Links

Table of n, a(n) for n=1..35.

Formula

a(n) = 8*n^2 - 7*n + 2.

Mathematica

Table[8*n^2 - 7*n + 2, {n, 1, 100}]

Crossrefs

Cf. A360418.

Sequence in context: A296252 A211068 A343010 * A281268 A143582 A132404

Adjacent sequences: A360414 A360415 A360416 * A360418 A360419 A360420

Keyword

nonn,easy

Author

James Propp, Feb 06 2023

Status

approved