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A017258
a(n) = (9*n + 8)^2.
1
64, 289, 676, 1225, 1936, 2809, 3844, 5041, 6400, 7921, 9604, 11449, 13456, 15625, 17956, 20449, 23104, 25921, 28900, 32041, 35344, 38809, 42436, 46225, 50176, 54289, 58564, 63001, 67600, 72361
OFFSET
0,1
FORMULA
G.f.: -(64 + 97*x + x^2)/(x-1)^3. - R. J. Mathar, Mar 20 2018
PROG
(Magma) [(9*n+8)^2: n in [0..35]]; // Vincenzo Librandi, Jul 28 2011
(PARI) a(n)=(9*n+8)^2 \\ Charles R Greathouse IV, Sep 20 2016
CROSSREFS
Sequence in context: A259406 A029873 A218069 * A366817 A297462 A297699
KEYWORD
nonn,easy
STATUS
approved