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A116952
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a(n) = 3*a(n-1) + 5 with a(0) = 1.
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3
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1, 8, 29, 92, 281, 848, 2549, 7652, 22961, 68888, 206669, 620012, 1860041, 5580128, 16740389, 50221172, 150663521, 451990568, 1355971709, 4067915132, 12203745401, 36611236208, 109833708629, 329501125892, 988503377681
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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FORMULA
| a(n)=(7/2)3^n-(5/2). (Deutsch)
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EXAMPLE
| The second term is 8 since a(1) = 3*a(0) + 5 = 3*1 + 5 = 8.
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MAPLE
| a:=n->(7*3^n-5)/2: seq(a(n), n=0..27);
a[0]:=1: for n from 1 to 27 do a[n]:=3*a[n-1]+5 od: seq(a[n], n=0..27);
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MATHEMATICA
| a[0] := 1; a[n_] := 3a[n - 1] + 5; Table[a[n], {n, 0, 30}]
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CROSSREFS
| Sequence in context: A131438 A048478 A001360 * A199207 A088131 A072264
Adjacent sequences: A116949 A116950 A116951 * A116953 A116954 A116955
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KEYWORD
| nonn
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AUTHOR
| Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Mar 29 2006
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EXTENSIONS
| More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu) and Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Apr 01 2006
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