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 A109594 n followed by n^3 followed by n^2. 14
 1, 1, 1, 2, 8, 4, 3, 27, 9, 4, 64, 16, 5, 125, 25, 6, 216, 36, 7, 343, 49, 8, 512, 64, 9, 729, 81, 10, 1000, 100, 11, 1331, 121, 12, 1728, 144, 13, 2197, 169, 14, 2744, 196, 15, 3375, 225, 16, 4096, 256, 17, 4913, 289, 18, 5832, 324, 19, 6859, 361, 20, 8000, 400 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 LINKS Iain Fox, Table of n, a(n) for n = 1..10000 (first 1000 terms from Colin Barker) Index entries for linear recurrences with constant coefficients, signature (0,0,4,0,0,-6,0,0,4,0,0,-1). FORMULA From Colin Barker, Dec 02 2015: (Start) a(n) = 4*a(n-3) - 6*a(n-6) + 4*a(n-9) - a(n-12) for n > 12. G.f.: x*(1+x+x^2-2*x^3+4*x^4+x^6+x^7-x^8) / ((1-x)^4*(1+x+x^2)^4). (End) a(n) = floor((n+2)/3)^((3*(n mod 3)^2-5*(n mod 3)+4)/2). - Luce ETIENNE, Dec 17 2017 MAPLE map(t -> (t, t^3, t^2), [\$1..100]); # Robert Israel, Dec 17 2017 MATHEMATICA Flatten[Table[{n, n^3, n^2}, {n, 20}]] (* Harvey P. Dale, Jul 22 2012 *) PROG (PARI) Vec(x*(1+x+x^2-2*x^3+4*x^4+x^6+x^7-x^8)/((1-x)^4*(1+x+x^2)^4) + O(x^100)) \\ Colin Barker, Dec 02 2015 CROSSREFS Cf. A000463, A010872. Sequence in context: A088154 A085993 A010595 * A329661 A254446 A197486 Adjacent sequences:  A109591 A109592 A109593 * A109595 A109596 A109597 KEYWORD nonn,easy AUTHOR Mohammad K. Azarian, Aug 30 2005 STATUS approved

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Last modified February 22 05:54 EST 2020. Contains 332116 sequences. (Running on oeis4.)