A079497 a(1)=1, for n>2 a(n) is the smallest integer > a(n-1) such that sqrt(5)*a(n) is closer and > to an integer than sqrt(5)*a(n-1) ( i.e. a(n) is the smallest integer > a(n-1) such that frac(sqrt(5)*a(n))<frac(sqrt(5)*a(n-1) )).

1, 5, 9, 13, 17, 89, 161, 233, 305, 1597, 2889, 4181, 5473, 28657, 51841, 75025, 98209, 514229, 930249, 1346269, 1762289, 9227465, 16692641, 24157817, 31622993, 165580141, 299537289, 433494437, 567451585, 2971215073, 5374978561