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A081949
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Smallest square which is one more than the product of n (not necessarily distinct) numbers > 1.
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1
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4, 9, 9, 25, 49, 225, 289, 961, 4225, 16129, 16129, 201601, 261121, 1050625, 1050625, 62995969, 67092481, 67092481, 67092481, 822140929, 4295098369, 17179607041, 129923481601, 129923481601, 274876858369, 274876858369, 4398042316801
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OFFSET
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1,1
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LINKS
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EXAMPLE
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a(2) = a(3) = 9 = 2*4+1 = 2*2*2 +1,a(6) = 225= 2*2*2*2*2*7 +1
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PROG
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(PARI) A = vector(30); count = 0; i = 1; while(count < 30, i = i + 1; n = i*i; k = bigomega(n - 1); while(count < k, count = count + 1; A[count] = n))
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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