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A141656 A triangle of coefficients representing an Integer Cyclotomic c(x,n) rotation of the primes: t(n,m)=If[ Prime,Floor[C(m/(n+2),Prime(n+1))*Prime(n+1))]]. 0
2, 3, 5, 7, 11, 17, 11, 13, 13, 17, 19, 67, 19, 23, 29, 31, 53, 79, 31, 37, 41, 53, 61 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row sums are:

{2, 3, 5, 35, 24, 13, 103, 19, 23, 192, 223}.

LINKS

Table of n, a(n) for n=1..23.

FORMULA

t(n,m)=If[ Prime,Floor[C(m/(n+2),Prime(n+1))*Prime(n+1))]].

EXAMPLE

{2},

{3},

{5},

{7, 11, 17},

{11, 13},

{13},

{17, 19, 67},

{19},

{23},

{29, 31, 53, 79},

{31, 37, 41, 53, 61}

MATHEMATICA

Clear[T, n, m] T[n_, m_] = Floor[Cyclotomic[Prime[n + 1], m/(n + 2)]*Prime[n + 1]]; Table[Flatten[Table[If[PrimeQ[T[n, m]], T[n, m], {}], {m, 0, n}]], {n, 0, 10}]; Flatten[%]

CROSSREFS

Cf. A141529.

Sequence in context: A091980 A274113 A005685 * A092180 A050298 A094751

Adjacent sequences:  A141653 A141654 A141655 * A141657 A141658 A141659

KEYWORD

nonn,tabf,uned

AUTHOR

Roger L. Bagula, Sep 04 2008

STATUS

approved

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Last modified December 8 22:51 EST 2016. Contains 278957 sequences.