|
Search: id:A141656
|
|
|
| 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
1
|
|
| 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; listen)
|
|
|
OFFSET
|
1,1
|
|
|
COMMENT
|
Row sums are:
{2, 3, 5, 35, 24, 13, 103, 19, 23, 192, 223}.
|
|
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: A130137 A091980 A005685 this_sequence A092180 A050298 A094751
Adjacent sequences: A141653 A141654 A141655 this_sequence A141657 A141658 A141659
|
|
KEYWORD
|
nonn,uned
|
|
AUTHOR
|
Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Sep 04 2008
|
|
|
Search completed in 0.002 seconds
|
