Maximum size of smallest square when a square of side n is tiled with integer-sided squares.

Terms

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