A056578 revision #10
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A056578
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a(n) = 1 + 2n + 3n^2 + 4n^3.
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15
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1, 10, 49, 142, 313, 586, 985, 1534, 2257, 3178, 4321, 5710, 7369, 9322, 11593, 14206, 17185, 20554, 24337, 28558, 33241, 38410, 44089, 50302, 57073, 64426, 72385, 80974, 90217, 100138, 110761, 122110, 134209, 147082, 160753, 175246
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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.: (1 + 6*x + 15*x^2 + 2*x^3)/(1-x)^4. - Colin Barker, Jan 10 2012
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EXAMPLE
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For n>4 this is 4321 translated from base n to base 10.
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MATHEMATICA
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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STATUS
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proposed
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