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%I #7 Nov 24 2024 00:05:44
%S 1,2039,2703,30083,32155,32437,86925,292101,339137,430611,669371,
%T 670563,727051,1161819,1534325,1541819,1543011,2027935,2718001,
%U 3266661,3273829,3730467,4805861,4806143,5534871,6371063,7834735,8926025,9293575,9664815,12629449,13645059,13645723,16510691,19947389,19952425,22519739,22520381,24820941,26657853,26658495
%N The indices k where A377015(k) = 1.
%C These are the indices where a knight moving on a square spiral revisits the origin using the path rules given in A377015. See that sequence for further details.
%Y Cf. A377015, A316667, A362027, A343678, A358278, A358150, A328929, A328909.
%K nonn
%O 1,2
%A _Scott R. Shannon_, Nov 11 2024