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A017007
a(n) = (7*n + 2)^3.
2
8, 729, 4096, 12167, 27000, 50653, 85184, 132651, 195112, 274625, 373248, 493039, 636056, 804357, 1000000, 1225043, 1481544, 1771561, 2097152, 2460375, 2863288, 3307949, 3796416, 4330747, 4913000
OFFSET
0,1
FORMULA
G.f.: (8 + 697*x + 1228*x^2 + 125*x^3)/(-1+x)^4. - R. J. Mathar, Jun 24 2009
MAPLE
seq((7*n+2)^3, n=0..30); # Muniru A Asiru, Oct 13 2018
PROG
(Magma) [(7*n+2)^3: n in [0..40]]; // Vincenzo Librandi, Jul 13 2011
(PARI) a(n) = (7*n+2)^3; \\ Altug Alkan, Oct 13 2018
(GAP) List([0..30], n->(7*n+2)^3); # Muniru A Asiru, Oct 13 2018
CROSSREFS
Sequence in context: A046188 A014387 A220641 * A268250 A268106 A023813
KEYWORD
nonn,easy
STATUS
approved