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A017297
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a(n) = (10*n + 2)^5.
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1
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32, 248832, 5153632, 33554432, 130691232, 380204032, 916132832, 1934917632, 3707398432, 6590815232, 11040808032, 17623416832, 27027081632, 40074642432, 57735339232, 81136812032, 111577100832
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OFFSET
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0,1
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LINKS
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FORMULA
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a(n) = 6*a(n-1) - 15*a(n-2) + 20*a(n-3) - 15*a(n-4) + 6*a(n-5) - a(n-6); a(0)=32, a(1)=248832, a(2)=5153632, a(3)=33554432, a(4)=130691232, a(5)=380204032. - Harvey P. Dale, May 24 2015
G.f.: (32*(1 + 7770*x + 114410*x^2 + 198890*x^3 + 52905*x^4 + 1024*x^5))/(-1+x)^6. - Harvey P. Dale, May 24 2015
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MATHEMATICA
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(10*Range[0, 20]+2)^5 (* or *) LinearRecurrence[{6, -15, 20, -15, 6, -1}, {32, 248832, 5153632, 33554432, 130691232, 380204032}, 20] (* Harvey P. Dale, May 24 2015 *)
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PROG
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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