Number of mutual-visibility sets in the n-gear graph.

Terms

a(0) =78a(1) =190a(2) =504a(3) =1562a(4) =5142a(5) =17236a(6) =58126a(7) =196432a(8) =664294a(9) =2247036a(10) =7601390a(11) =25715016a(12) =86992950a(13) =294294692a(14) =995591438a(15) =3368061312a(16) =11394069382a(17) =38545860172a(18) =130399710446a(19) =441139060088