|
| |
| |
|
|
|
0, 8, 8, 24, 8, 40, 24, 56, 8, 72, 40, 88, 24, 104, 56, 120, 16, 136, 72, 152, 40, 168, 88, 184, 24, 200, 104, 216, 56, 232, 120, 248, 32, 264, 136, 280, 72, 296, 152, 312, 40, 328, 168, 344, 88, 360, 184, 376, 48, 392, 200, 408, 104, 424, 216, 440, 56, 456, 232
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,2
|
|
|
FORMULA
| a(n) = n*8/GCD(n, 8).
G.f. 8*x*(x^2-x+1) *(x^12 +2*x^11 +4*x^10 +3*x^9 +4*x^8 +4*x^7 +7*x^6 +4*x^5 +4*x^4 +3*x^3 +4*x^2 +2*x +1) / ( (x-1)^2 *(1+x)^2 *(x^2+1)^2 *(x^4+1)^2 ). a(n) = 8*A106609(n) = 8*n/A109011(n). - R. J. Mathar, Apr 18 2011
|
|
|
PROG
| (Other) sage: [lcm(n, 8)for n in xrange(0, 59)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jun 09 2009]
(MAGMA) [Lcm(n, 8): n in [0..100]]; // Vincenzo Librandi, Apr 18 2011
|
|
|
CROSSREFS
| Cf. A109042.
Sequence in context: A061156 A195862 A205382 * A160239 A037018 A003873
Adjacent sequences: A109046 A109047 A109048 * A109050 A109051 A109052
|
|
|
KEYWORD
| nonn,easy
|
|
|
AUTHOR
| Mitch Harris (Harris.Mitchell(AT)mgh.harvard.edu), Jun 18 2005
|
| |
|
|