A176393 a(n) = A176100(n) + 1 = 2*A141468(n) + 1.
1, 3, 9, 13, 17, 19, 21, 25, 29, 31, 33, 37, 41, 43, 45, 49, 51, 53, 55, 57, 61, 65, 67, 69, 71, 73, 77, 79, 81, 85, 89, 91, 93, 97, 99, 101, 103, 105, 109, 111, 113, 115, 117, 121, 125, 127, 129, 131, 133, 137, 139, 141, 145, 149, 151, 153, 155, 157, 161, 163, 165
Offset: 1
Keywords
Programs
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Maple
From R. J. Mathar, Apr 20 2010: (Start) isA001358 := proc(n) numtheory[bigomega](n) = 2 ; end proc: A176100 :=proc(n) if n = 1 then 0; else for a from procname(n-1)+2 by 2 do if not isA001358(a) then return a; end if; end do: end if; end proc: A176363 := proc(n) 1+A176100(n) ; end proc: seq(A176363(n),n=1..80) ; (End)
Extensions
Corrected (139 inserted) by R. J. Mathar, Apr 20 2010