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A016996
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a(n) = (7*n + 1)^4.
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1
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1, 4096, 50625, 234256, 707281, 1679616, 3418801, 6250000, 10556001, 16777216, 25411681, 37015056, 52200625, 71639296, 96059601, 126247696, 163047361, 207360000, 260144641, 322417936, 395254161
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OFFSET
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0,2
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LINKS
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MATHEMATICA
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(7Range[0, 20]+1)^4 (* or *) LinearRecurrence[{5, -10, 10, -5, 1}, {1, 4096, 50625, 234256, 707281}, 30] (* Harvey P. Dale, Jan 30 2022 *)
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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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