A105833 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)=8.

1, 8, 9, 14, 23, 10, 13, 3, 16, 12, 4, 5, 6, 11, 2, 40, 42, 27, 15, 22, 37, 24, 61, 33, 28, 45, 7, 38, 77, 48, 20, 50, 30, 36, 66, 26, 92, 118, 82, 200, 138, 47, 31, 78, 109, 35, 74, 57, 17, 124, 96, 79, 135, 46, 21, 25, 34, 32, 72, 44, 116, 69, 95, 86, 153, 98, 55, 43, 134

Offset

1,2

Links

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

Crossrefs

Cf. A105822, A105828-A105836.

Sequence in context: A059869 A327863 A213016 * A323249 A257037 A114305

Adjacent sequences: A105830 A105831 A105832 * A105834 A105835 A105836

Keyword

nonn

Author

Zak Seidov, Apr 22 2005

Status

approved