a(1) = 16, a(n) = smallest number > a(n-1) such that the concatenation of a(n-1) and a(n) is a square.
A265154
a(1) = 16, a(n) = smallest number > a(n-1) such that the concatenation of a(n-1) and a(n) is a square.
Terms
- a(0) =16a(1) =81a(2) =225a(3) =625a(4) =681a(5) =2100a(6) =3889a(7) =17841a(8) =33121a(9) =452049a(10) =2561025a(11) =9392964a(12) =9776361a(13) =69946276a(14) =104857889a(15) =232947041a(16) =619807376a(17) =729085444a(18) =5435467076a(19) =8236728484a(20) =52686818481a(21) =370961353041
External references
- oeis: A265154