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A070526
Value of n-th cyclotomic polynomial at 2^n.
3
1, 5, 73, 257, 1082401, 4033, 4432676798593, 4294967297, 18014398643699713, 1098438933505, 1298708349570020393652962442872833, 281474959933441, 91355004067076339167413824240109498970069278721
OFFSET
1,2
EXAMPLE
n=5: a(5)=C[5,32]=1+32+1024+32768+1048576=1082401
MATHEMATICA
Table[Cyclotomic[w, 2^w], {w, 1, 15}]
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Labos Elemer, May 02 2002
STATUS
approved