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A101332 a(n) = Knuth's Fibonacci (or circle) square "n o n". 4

%I #12 Mar 20 2024 07:53:10

%S 3,8,21,40,55,84,105,144,189,220,275,336,377,448,495,576,663,720,817,

%T 880,987,1100,1173,1296,1425,1508,1647,1736,1885,2040,2139,2304,2475,

%U 2584,2765,2880,3071,3268,3393,3600,3731,3948,4171,4312,4545,4784,4935

%N a(n) = Knuth's Fibonacci (or circle) square "n o n".

%H T. D. Noe, <a href="/A101332/b101332.txt">Table of n, a(n) for n=1..1000</a>

%t Array[3*#^2-2*#*Floor[(#+1)/GoldenRatio^2] &,100] (* _Paolo Xausa_, Mar 20 2024 *)

%Y Main diagonal of A101330.

%K nonn,easy

%O 1,1

%A _N. J. A. Sloane_, Jan 25 2005

%E More terms from _David Applegate_, Jan 26 2005

%E More terms from _T. D. Noe_, May 07 2007

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Last modified May 8 23:08 EDT 2024. Contains 372341 sequences. (Running on oeis4.)