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Positions of 4's on the spiral defined in A308884.
2

%I #10 Jul 02 2019 11:19:09

%S 148,151,217,353,658,662,663,667,685,692,715,746,1210,1275,1280,1459,

%T 1466,1544,1826,2188,2277,2282,2521,2528,2630,2996,3454,3567,3572,

%U 3871,3878,4004,4454,5008,5145,5150,5509,5516,5666,6200,6850,7011,7016,7435,7442

%N Positions of 4's on the spiral defined in A308884.

%H Rémy Sigrist, <a href="/A308889/a308889.gp.txt">PARI program for A308889</a>

%o (PARI) See Links section.

%Y Cf. A308884-A308895.

%K nonn

%O 1,1

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

%E More terms from _Rémy Sigrist_, Jul 02 2019