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A176188
Positions m for which A176187(m)=3.
1
9, 13, 14, 18, 21, 24, 28, 30, 33, 36, 38, 40, 43, 47, 49, 50, 54, 55, 56, 59, 60, 62, 64, 66, 67, 69, 71, 72, 76, 80, 81, 85, 87, 89, 91, 92, 93, 94, 100, 103, 107, 109, 110, 112, 113, 114, 115, 117, 120, 121, 123, 125, 126, 129, 134, 138, 139, 141, 142, 143, 151
OFFSET
1,1
MAPLE
A002326 := proc(n) if n = 0 then 1; else numtheory[order](2, 2*n+1) ; end if; end proc:
A176187 := proc(n) local xtrack, xitr, xpos ; xtrack := [A002326(n)] ; while true do xitr := A002326(op(-1, xtrack)) ; if not member(xitr, xtrack, 'xpos') then xtrack := [op(xtrack), xitr] ; else return 1+nops(xtrack)-xpos ; end if; end do: end proc:
A176188 := proc(n) if n =1 then 9 ; else for a from procname(n-1)+1 do if A176187(a) = 3 then return a; end if; end do: end if; end proc:
seq(A176188(n), n=1..80) ; # R. J. Mathar Nov 04 2010
CROSSREFS
Sequence in context: A335662 A191891 A135439 * A205851 A294406 A049733
KEYWORD
nonn
AUTHOR
Vladimir Shevelev, Apr 11 2010
EXTENSIONS
More terms from R. J. Mathar, Nov 04 2010
STATUS
approved