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%I #7 Mar 20 2024 16:35:57
%S 5,20,34,65,106,136,193,233,306,389,445,544,653,725,850,932,1073,1224,
%T 1322,1489,1597,1780,1973,2097,2306,2525,2665,2900,3050,3301,3562,
%U 3728,4005,4292,4474,4777,4969,5288,5617,5825,6170,6388,6749,7120,7354,7741,8138
%N Main diagonal of A101866.
%H Paolo Xausa, <a href="/A101867/b101867.txt">Table of n, a(n) for n = 1..10000</a>
%F a(n) = n^2 + ceiling(n*(1 + sqrt(5))/2)^2. - _Paolo Xausa_, Mar 20 2024
%t Array[#^2 + Ceiling[#*GoldenRatio]^2 &, 100] (* _Paolo Xausa_, Mar 20 2024 *)
%Y Cf. A001622, A101866.
%K nonn
%O 1,1
%A _N. J. A. Sloane_, Jan 28 2005
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