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Positions of 1's on the spiral defined in A308890.
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%I #7 Jul 01 2019 23:07:31

%S 5,6,7,10,11,12,13,16,22,25,32,35,45,59,62,65,67,68,69,70,72,73,76,79,

%T 81,82,83,85,86,87,88,90,91,94,97,100,101,110,112,121,123,132,134,137,

%U 140,143,162,165,188,191,197,199,201,202,203,204,205,206,208,210,211,212,214,216,217

%N Positions of 1's on the spiral defined in A308890.

%C Add 1 to the terms of A308886.

%Y Cf. A308884-A308895.

%K nonn

%O 1,1

%A _N. J. A. Sloane_, Jul 01 2019