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A176163
a(1)=3 and a(n)=Floor[1/(n-1)^2 * a(n-1)^2]
0
3, 9, 20, 44, 121, 585, 9506, 1844164, 53139700920, 34862071776136405511, 12153640485244865516062665215354311711, 12153640485244865516062665215354311711
OFFSET
1,1
MATHEMATICA
a[1] = 3; a[n_] := Floor[1/(n - 1)^2 a[n - 1]^2]; Table[a [n], {n, 1, 14}]
CROSSREFS
Sequence in context: A210634 A295148 A364535 * A203861 A073801 A065891
KEYWORD
nonn
AUTHOR
EXTENSIONS
f is changed by a José María Grau Ribas, Apr 16 2010
STATUS
approved