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A098152
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a(n) = a(n-1)^2 + n, with a(0)=0.
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6
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OFFSET
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0,3
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LINKS
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FORMULA
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For n>0, a(n) = floor(1.366609561487624975914833969579996...^(2^n)) = floor(A028300(n)^0.68178667449368682115305109818...) = ceiling(A003095(n)^1.53346965582393874689368175542252...).
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EXAMPLE
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a(4) = a(3)^2 + 4 =12^2 + 4 = 148.
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MATHEMATICA
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RecurrenceTable[{a[0]==0, a[n]==a[n-1]^2+n}, a, {n, 10}] (* Harvey P. Dale, Jul 28 2012 *)
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PROG
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(Magma) [0] cat [n eq 1 select 1 else Self(n-1)^2+n: n in [1..10]]; // Vincenzo Librandi, Oct 06 2015
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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