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A076699
T(n,k) = Table of coefficients of x^k in cyclotomic(n,x).
2
1, -1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 1, 1, 1, 0, 1, -1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, -1, 1, -1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, -1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, -1, 1, -1, 1, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, -1
OFFSET
0,5573
LINKS
Andrey Zabolotskiy, Table of n, a(n) for n = 0..7380 (rows 0..120)
EXAMPLE
Table is {1}, {-1, 1}, {1, 1, 0}, {1, 1, 1, 0} because the cyclotomic polynomials for n=0..3 are 1, -1 + x, 1 + x, 1 + x + x^2
MATHEMATICA
Table[Drop[CoefficientList[x^(n+1)+Cyclotomic[n, x], x], -1], {n, 0, 7}]
CROSSREFS
Row sums, apart from initial 1, equal A020500.
A013595 and A013596 are the irregular-array versions of this array.
Sequence in context: A325964 A344885 A345064 * A373851 A142720 A196308
KEYWORD
easy,sign,tabl
AUTHOR
Wouter Meeussen, Oct 26 2002
STATUS
approved