A105834 - OEIS

A105834

For n>2, a(n) not appeared previously is such that a(n-1)^2+4*a(n-2)*a(n) is a minimal square, a(1)=1, a(2)=9.

1, 9, 10, 16, 8, 3, 5, 2, 7, 4, 11, 15, 14, 29, 18, 47, 21, 26, 32, 40, 12, 28, 17, 6, 23, 13, 36, 49, 46, 95, 50, 45, 35, 80, 75, 155, 22, 69, 76, 33, 43, 20, 63, 68, 91, 27, 64, 51, 115, 44, 71, 34, 37, 62, 24, 38, 25, 48, 73, 70, 143, 60, 83, 19, 102, 72, 30, 42, 144, 96, 65