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A360417
a(n) = 8*n^2 - 7*n + 2.
1
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.
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
KEYWORD
nonn,easy
AUTHOR
James Propp, Feb 06 2023
STATUS
approved