A105832 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)=7.

1, 7, 8, 12, 20, 13, 15, 22, 5, 3, 2, 16, 18, 9, 14, 23, 10, 33, 19, 52, 71, 21, 50, 39, 11, 28, 64, 60, 4, 17, 42, 27, 24, 35, 26, 48, 74, 30, 44, 32, 51, 83, 38, 45, 62, 56, 6, 36, 96, 57, 153, 54, 99, 63, 86, 80, 166, 85, 81, 46, 127, 75, 202, 69, 133, 136, 165, 91, 114, 40

Offset: 1

Author

Zak Seidov, Apr 22 2005

Keywords

• nonn

Links

• Ivan Neretin, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A105822, A105828-A105836.