Maximal number of residue classes mod n such that no subset adds to 0.

Terms

a(0) =0a(1) =1a(2) =1a(3) =2a(4) =2a(5) =3a(6) =3a(7) =3a(8) =4a(9) =4a(10) =4a(11) =4a(12) =4a(13) =5a(14) =5a(15) =5a(16) =5a(17) =5a(18) =5a(19) =6a(20) =6a(21) =6a(22) =6a(23) =6a(24) =7a(25) =7a(26) =7a(27) =7a(28) =7a(29) =7