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Search: id:A052244
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| 1, 8, 46, 240, 1215, 6096, 30508, 152576, 762925, 3814680, 19073466, 95367408, 476837131, 2384185760, 11920928920, 59604644736, 298023223833, 1490116119336
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OFFSET
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0,2
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REFERENCES
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A. H. Beiler, Recreations in the Theory of Numbers, Dover, N.Y., 1964, pp. 194-196.
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FORMULA
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a(n)={(5^(n+3))-[8(n^2)+44n+61]}/64. a(n)=5a(n-1)+C(n+2, 2), n >= 0; a(-1)=0.
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CROSSREFS
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Cf. A014827, A003463, A000351.
Sequence in context: A026874 A026867 A026885 this_sequence A083421 A113992 A037070
Adjacent sequences: A052241 A052242 A052243 this_sequence A052245 A052246 A052247
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KEYWORD
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easy,nonn
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AUTHOR
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Barry E. Williams, Jan 31 2000
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