Origin numbers: integers unreachable by Bergerson's Alpha construction (see the Ross Eckler link).

A068196

Origin numbers: integers unreachable by Bergerson's Alpha construction (see the Ross Eckler link).

Terms

    a(0) =28a(1) =108a(2) =6902a(3) =16068a(4) =30662a(5) =84662a(6) =117157a(7) =175844a(8) =305804a(9) =636268a(10) =760436a(11) =765402a(12) =1343537a(13) =1433493a(14) =2125253a(15) =3125825a(16) =3255917a(17) =4264947a(18) =4796654a(19) =10271188a(20) =11911557a(21) =12043892a(22) =15344303a(23) =27692262a(24) =28112662a(25) =28478708

External references