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A016807
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a(n) = (4*n)^7.
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1
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0, 16384, 2097152, 35831808, 268435456, 1280000000, 4586471424, 13492928512, 34359738368, 78364164096, 163840000000, 319277809664, 587068342272, 1028071702528, 1727094849536, 2799360000000
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OFFSET
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0,2
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COMMENTS
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Generating function is 128 times the g.f. of A016747. - R. J. Mathar, May 07 2008
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LINKS
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Vincenzo Librandi, Table of n, a(n) for n = 0..10000
Index entries for linear recurrences with constant coefficients, signature (8, -28, 56, -70, 56, -28, 8, -1).
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FORMULA
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a(n) = 128*A016747(n). - R. J. Mathar, May 07 2008
a(n) = 8*a(n-1) - 28*a(n-2) + 56*a(n-3) - 70*a(n-4) + 56*a(n-5) - 28*a(n-6) + 8*a(n-7) - a(n-8) for n > 7. - Wesley Ivan Hurt, Oct 15 2017
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MATHEMATICA
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Table[(4 n)^7, {n, 0, 15}] (* Michael De Vlieger, Oct 15 2017 *)
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PROG
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(Magma) [(4*n)^7: n in [0..30]]; // Vincenzo Librandi, Sep 05 2011
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CROSSREFS
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Cf. A016747.
Sequence in context: A115348 A218528 A016783 * A231845 A223967 A016903
Adjacent sequences: A016804 A016805 A016806 * A016808 A016809 A016810
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KEYWORD
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nonn,easy
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AUTHOR
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N. J. A. Sloane
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STATUS
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approved
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