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A105830
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)=5.
1
1, 5, 6, 8, 14, 4, 10, 24, 18, 15, 3, 12, 36, 21, 2, 19, 33, 52, 28, 27, 55, 78, 16, 62, 35, 87, 54, 141, 25, 46, 71, 42, 29, 13, 90, 7, 26, 45, 50, 80, 40, 75, 115, 58, 57, 43, 44, 84, 53, 22, 31, 60, 91, 37, 20, 17, 63, 110, 32, 96, 56, 132, 108, 135, 138, 61, 65, 114, 143, 100
OFFSET
1,2
LINKS
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Apr 22 2005
STATUS
approved