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0, 5, 10, 15, 20, 5, 30, 35, 40, 45, 10, 55, 60, 65, 70, 15, 80, 85, 90, 95, 20, 105, 110, 115, 120, 25, 130, 135, 140, 145, 30, 155, 160, 165, 170, 35, 180, 185, 190, 195, 40, 205, 210, 215, 220, 45, 230, 235, 240, 245, 50, 255, 260, 265, 270, 55, 280, 285, 290
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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LINKS
| Index to sequences with linear recurrences with constant coefficients, signature (0,0,0,0,2,0,0,0,0,-1)
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FORMULA
| a(n) = n*5/GCD(n, 5) = 5*n/A109009(n) = 5*A060791(n).
G.f. 5*x*(x^4+x^3+3*x^2+x+1)*(x^4+x^3-x^2+x+1) / ( (x-1)^2*(x^4+x^3+x^2+x+1)^2 ). - R. J. Mathar, Apr 18 2011
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PROG
| (Other) sage: [lcm(n, 5)for n in xrange(0, 59)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jun 07 2009]
(MAGMA) [Lcm(n, 5): n in [0..100]]; // Vincenzo Librandi, Apr 18 2011
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CROSSREFS
| Cf. A109042.
Sequence in context: A081839 A181579 A137936 * A048725 A190240 A199860
Adjacent sequences: A109043 A109044 A109045 * A109047 A109048 A109049
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KEYWORD
| nonn,easy
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AUTHOR
| Mitch Harris (Harris.Mitchell(AT)mgh.harvard.edu), Jun 18 2005
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