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A059830
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a(n) = n^6 + n^4 + n^2 + 1.
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5
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1, 4, 85, 820, 4369, 16276, 47989, 120100, 266305, 538084, 1010101, 1786324, 3006865, 4855540, 7568149, 11441476, 16843009, 24221380, 34117525, 47176564, 64160401, 85961044, 113614645, 148316260, 191435329, 244531876, 309373429
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OFFSET
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0,2
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LINKS
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FORMULA
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G.f.: -(4*x^6+57*x^5+309*x^4+274*x^3+78*x^2-3*x+1)/(x-1)^7. - Colin Barker, Nov 05 2012
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MATHEMATICA
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PROG
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(PARI) { for (n=0, 1000, f=n^2; write("b059830.txt", n, " ", (f + 1)*(f^2 + 1)); ) } \\ Harry J. Smith, Jun 29 2009
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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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