Numbers k such that abundance(k) + abundance(k+1) = 2.

Terms

a(0) =215a(1) =923a(2) =944a(3) =1455a(4) =2379a(5) =5355a(6) =6467a(7) =6623a(8) =14099a(9) =23495a(10) =196343a(11) =212795a(12) =1661135a(13) =4070199a(14) =4160919a(15) =4626699a(16) =60464627a(17) =217408415a(18) =248621603a(19) =262792907a(20) =265371335a(21) =613033667a(22) =684241907a(23) =1065360113a(24) =3148946723a(25) =4773647871a(26) =6729842063a(27) =19910536424