login
A101332
a(n) = Knuth's Fibonacci (or circle) square "n o n".
4
3, 8, 21, 40, 55, 84, 105, 144, 189, 220, 275, 336, 377, 448, 495, 576, 663, 720, 817, 880, 987, 1100, 1173, 1296, 1425, 1508, 1647, 1736, 1885, 2040, 2139, 2304, 2475, 2584, 2765, 2880, 3071, 3268, 3393, 3600, 3731, 3948, 4171, 4312, 4545, 4784, 4935
OFFSET
1,1
MATHEMATICA
Array[3*#^2-2*#*Floor[(#+1)/GoldenRatio^2] &, 100] (* Paolo Xausa, Mar 20 2024 *)
CROSSREFS
Main diagonal of A101330.
Sequence in context: A160404 A103736 A172243 * A007773 A071078 A179903
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jan 25 2005
EXTENSIONS
More terms from David Applegate, Jan 26 2005
More terms from T. D. Noe, May 07 2007
STATUS
approved