a(1) = 8, a(n) = smallest number > a(n-1) such that the concatenation of a(n-1) and a(n) is a square.
A265149
a(1) = 8, a(n) = smallest number > a(n-1) such that the concatenation of a(n-1) and a(n) is a square.
Terms
- a(0) =8a(1) =41a(2) =209a(3) =764a(4) =5225a(5) =8441a(6) =9344a(7) =63761a(8) =82201a(9) =477264a(10) =3191044a(11) =4038489a(12) =34656049a(13) =61233321a(14) =271005625a(15) =3465072801a(16) =36565416324a(17) =83511106624a(18) =222222321476a(19) =425286636356
External references
- oeis: A265149