A228437 Denominator of n/24.
1, 24, 12, 8, 6, 24, 4, 24, 3, 8, 12, 24, 2, 24, 12, 8, 3, 24, 4, 24, 6, 8, 12, 24, 1, 24, 12, 8, 6, 24, 4, 24, 3, 8, 12, 24, 2, 24, 12, 8, 3, 24, 4, 24, 6, 8, 12, 24, 1, 24, 12, 8, 6, 24, 4, 24, 3, 8, 12, 24, 2, 24, 12, 8, 3, 24, 4, 24, 6, 8, 12, 24, 1
Offset: 0
Programs
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Maple
A228437 := proc(n) denom(n/24) ; end proc: # R. J. Mathar, Dec 18 2013
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Mathematica
Denominator[Range[0,80]/24] (* or *) PadRight[{},80,{1,24,12,8,6,24,4,24,3,8,12,24,2,24,12,8,3,24,4,24,6,8,12,24}] (* Harvey P. Dale, Jan 17 2017 *)
Formula
G.f.: ( -1 -24*x -12*x^2 -8*x^3 -6*x^4 -24*x^5 -4*x^6 -24*x^7 -3*x^8 -8*x^9 -12*x^10 -24*x^11 -2*x^12 -24*x^13 -12*x^14 -8*x^15 -3*x^16 -24*x^17 -4*x^18 -24*x^19 -6*x^20 -8*x^21 -12*x^22 -24*x^23 ) / ( (x-1)*(1+x+x^2)*(1+x)*(1-x+x^2)*(1+x^2)*(x^4-x^2+1)*(1+x^4)*(x^8-x^4+1) ). - R. J. Mathar, Dec 18 2013
Comments