End squares for a trapped knight moving on a spirally numbered 2D grid where each square can be visited n times.

A306421

End squares for a trapped knight moving on a spirally numbered 2D grid where each square can be visited n times.

Terms

    a(0) =2084a(1) =124561a(2) =1756923a(3) =21375782a(4) =48176535a(5) =128322490a(6) =196727321a(7) =230310289a(8) =606217402a(9) =2856313870a(10) =244655558a(11) =659075420a(12) =586292888a(13) =1646774611a(14) =1018215514a(15) =719687377a(16) =564513339a(17) =2779028614a(18) =298995630a(19) =1641747842a(20) =414061107a(21) =1467655587a(22) =584309414a(23) =1584716050

External references