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 A110003 n followed by n^3 followed by n^2 followed by n^4. 1
 1, 1, 1, 1, 2, 8, 4, 16, 3, 27, 9, 81, 4, 64, 16, 256, 5, 125, 25, 625, 6, 216, 36, 1296, 7, 343, 49, 2401, 8, 512, 64, 4096, 9, 729, 81, 6561, 10, 1000, 100, 10000, 11, 1331, 121, 14641, 12, 1728, 144, 20736, 13, 2197, 169, 28561, 14, 2744, 196, 38416, 15, 3375 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,5 LINKS FORMULA a(n) = (2*n+3-(-1)^n+2*(-1)^((2*n+5-(-1)^n)/4))*(n^3+4*n^2+32*n+96+(n^3+4*n^2-64)*(-1)^n-(n^3-4*n^2-64)*(-1)^((2*n+5-(-1)^n)/4)+(n^3-4*n^2-32*n+32)*(-1)^((2*n+7+(-1)^n)/4))/2048. - Luce ETIENNE, Sep 01 2016 From Chai Wah Wu, Jan 11 2020: (Start) a(n) = 5*a(n-4) - 10*a(n-8) + 10*a(n-12) - 5*a(n-16) + a(n-20) for n > 20. G.f.: x*(-x^15 - x^14 + x^13 + x^12 - 11*x^11 + x^10 + 3*x^9 - 3*x^8 - 11*x^7 + x^6 - 3*x^5 + 3*x^4 - x^3 - x^2 - x - 1)/((x - 1)^5*(x + 1)^5*(x^2 + 1)^5). (End) MATHEMATICA Table[{n, n^3, n^2, n^4}, {n, 1, 15}] // Flatten (* Jean-François Alcover, Sep 01 2016 *) PROG (MAGMA) &cat[[n, n^3, n^2, n^4]: n in [1..15]]; // Bruno Berselli, Sep 01 2016 CROSSREFS Cf. A000463, A109588, A109594. Sequence in context: A192034 A209874 A175181 * A035302 A104772 A264142 Adjacent sequences:  A110000 A110001 A110002 * A110004 A110005 A110006 KEYWORD nonn AUTHOR Mohammad K. Azarian, Sep 02 2005 STATUS approved

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Last modified January 29 14:07 EST 2020. Contains 331338 sequences. (Running on oeis4.)