|
|
A138428
|
|
a(n) = (prime(n)^5 - prime(n))/10.
|
|
3
|
|
|
3, 24, 312, 1680, 16104, 37128, 141984, 247608, 643632, 2051112, 2862912, 6934392, 11585616, 14700840, 22934496, 41819544, 71492424, 84459624, 135012504, 180422928, 207307152, 307705632, 393904056, 558405936, 858734016, 1051010040
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
FORMULA
|
|
|
MATHEMATICA
|
a = {}; Do[p = Prime[n]; AppendTo[a, (p^5 - p)/10], {n, 1, 50}]; a
|
|
PROG
|
(Magma) [(NthPrime((n))^5 - NthPrime((n)))/10: n in [1..30]]; // Vincenzo Librandi, Jun 18 2011
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|