A B_2 sequence: a(n) is the smallest square such that pairwise sums of not necessarily distinct elements are all distinct.

A062295

A B_2 sequence: a(n) is the smallest square such that pairwise sums of not necessarily distinct elements are all distinct.

Terms

    a(0) =1a(1) =4a(2) =9a(3) =16a(4) =25a(5) =36a(6) =64a(7) =81a(8) =100a(9) =169a(10) =256a(11) =289a(12) =441a(13) =484a(14) =576a(15) =625a(16) =841a(17) =1089a(18) =1296a(19) =1444a(20) =1936a(21) =2025a(22) =2401a(23) =2601a(24) =3136a(25) =4225a(26) =4356a(27) =4624a(28) =5329a(29) =5476

External references