Squared distances that cannot arise in any Barlow packing of spheres of diameter sqrt(3) (the scale being the simplest one that makes this an integer sequence).

A036559

Squared distances that cannot arise in any Barlow packing of spheres of diameter sqrt(3) (the scale being the simplest one that makes this an integer sequence).

Terms

    a(0) =1a(1) =2a(2) =4a(3) =5a(4) =7a(5) =10a(6) =13a(7) =14a(8) =16a(9) =23a(10) =26a(11) =28a(12) =38a(13) =40a(14) =42a(15) =52a(16) =58a(17) =64a(18) =74a(19) =90a(20) =104a(21) =106a(22) =112a(23) =122a(24) =138a(25) =154a(26) =160a(27) =168a(28) =170a(29) =186

External references