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A264931
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a(n) = 1+2*3^4...[n-1]n where [n] is the n-th hyperoperator.
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0
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OFFSET
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1,2
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COMMENTS
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a[n]b is the square bracket notation for hyperoperation. See A054871 for more info.
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LINKS
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EXAMPLE
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a(1) = 1;
a(2) = 1+2 = 3;
a(3) = 1+2*3 = 7;
a(4) = 1+2*3^4 = 163;
a(5) = 1+2*3^4^^5 which is too big to be included.
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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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