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A308889
Positions of 4's on the spiral defined in A308884.
2
148, 151, 217, 353, 658, 662, 663, 667, 685, 692, 715, 746, 1210, 1275, 1280, 1459, 1466, 1544, 1826, 2188, 2277, 2282, 2521, 2528, 2630, 2996, 3454, 3567, 3572, 3871, 3878, 4004, 4454, 5008, 5145, 5150, 5509, 5516, 5666, 6200, 6850, 7011, 7016, 7435, 7442
OFFSET
1,1
PROG
(PARI) See Links section.
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jul 01 2019
EXTENSIONS
More terms from Rémy Sigrist, Jul 02 2019
STATUS
approved