Numbers n such that there exists a block-transitive point-imprimitive 3-design with parameters (k(k-1)/2+1, k, lambda) for some lambda.

A090043

Numbers n such that there exists a block-transitive point-imprimitive 3-design with parameters (k(k-1)/2+1, k, lambda) for some lambda.

Terms

    a(0) =27a(1) =29a(2) =39a(3) =83a(4) =139a(5) =167a(6) =263a(7) =370a(8) =510a(9) =615a(10) =1091a(11) =1399a(12) =1819a(13) =1931a(14) =2039a(15) =2491a(16) =2702a(17) =3419a(18) =3723a(19) =4232a(20) =4883a(21) =6299a(22) =7799

External references