|
|
A288884
|
|
Primes of the form k!3 + 3^8, where k!3 is the triple factorial number (A007661).
|
|
1
|
|
|
6563, 6571, 6841, 2504908961, 17961239302561, 81359229958561, 664565853958561, 2295148179742698933452806561, 628962407176689215723405312006561, 43414370923880963682387072385024006561, 116346745870073113470947277571643877742200278220800006561
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
MATHEMATICA
|
MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]];
Select[Table[MultiFactorial[i, 3] + 3^8, {i, 0, 100}], PrimeQ[#]&]
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|