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Search: id:A083074
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| -1, -2, 1, 14, 43, 94, 173, 286, 439, 638, 889, 1198, 1571, 2014, 2533, 3134, 3823, 4606, 5489, 6478, 7579, 8798, 10141, 11614, 13223, 14974, 16873, 18926, 21139, 23518, 26069, 28798, 31711, 34814, 38113, 41614, 45323, 49246, 53389, 57758, 62359, 67198, 72281
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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Values of tribonacci polynomial n^3-n^2-n-1 for n=0,1,2,3,4,.... - Artur Jasinski (grafix(AT)csl.pl), Nov 19 2006
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FORMULA
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a(n)=n^3+5n^2+7n+1=(n(n+2)^3+1)/(n+1) [with a different offset].
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MATHEMATICA
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Table[n^3 - n^2 - n - 1, {n, 2, 41}]
Table[n^3 - n^2 - n - 1, {n, 0, 41}] - Artur Jasinski (grafix(AT)csl.pl), Nov 19 2006
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CROSSREFS
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Apart from initial terms, a column of A083064.
Cf. A000027, A028387, A002378.
Adjacent sequences: A083071 A083072 A083073 this_sequence A083075 A083076 A083077
Sequence in context: A080346 A124026 A106204 this_sequence A141510 A039652 A012894
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KEYWORD
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easy,sign
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AUTHOR
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Paul Barry (pbarry(AT)wit.ie), Apr 21 2003
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EXTENSIONS
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Simpler definition from Alonso Delarte (alonso.delarte(AT)gmail.com), Sep 16 2004
More terms from Artur Jasinski (grafix(AT)csl.pl), Nov 19 2006
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