a(n) is smallest number >= a(n-1) such that a(n) plus any set of the previous values of the sequence is a nonsquare; starting with a(1) = 2.
A064776
a(n) is smallest number >= a(n-1) such that a(n) plus any set of the previous values of the sequence is a nonsquare; starting with a(1) = 2.
Terms
- a(0) =2a(1) =3a(2) =3a(3) =5a(4) =21a(5) =24a(6) =24a(7) =80a(8) =80a(9) =80a(10) =480a(11) =480a(12) =720a(13) =1200a(14) =2000a(15) =8400a(16) =9600a(17) =9600a(18) =32000a(19) =32000a(20) =32000a(21) =192000a(22) =192000a(23) =288000a(24) =480000a(25) =800000a(26) =3360000a(27) =3840000a(28) =3840000a(29) =12800000
External references
- oeis: A064776