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A143857
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a(n) = n + (n+1)*(n+2)^(n+3).
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3
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8, 163, 3074, 62503, 1399684, 34588811, 939524102, 27894275215, 900000000008, 31384283767219, 1176925259169802, 47248516628391479, 2022385242251558924, 91957716979980468763, 4427218577690292387854, 225009351233083599856159
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listen;
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OFFSET
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0,1
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COMMENTS
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Suggested by Karl Vago's contributions to Dario Alpern's list of records.
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LINKS
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FORMULA
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EXAMPLE
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a(1) = 1+(1+1)*(1+2)^(1+3) = 1+2*3^4 = 163.
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MAPLE
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MATHEMATICA
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PROG
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(PARI) vector(21, n, (n-1) + n*(n+1)^(n+2)) \\ G. C. Greubel, Nov 09 2019
(Sage) [n + (n+1)*(n+2)^(n+3) for n in (0..20)] # G. C. Greubel, Nov 09 2019
(GAP) List([0..20], n-> n + (n+1)*(n+2)^(n+3)); # G. C. Greubel, Nov 09 2019
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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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