|
| |
|
|
A090817
|
|
a(n)=numerator(B(2*prime(n))) where prime(n)=n-th prime and B(k) denotes the k-th Bernoulli number.
|
|
0
|
|
|
|
1, 1, 5, 7, 854513, 8553103, 2577687858367, 2929993913841559, 596451111593912163277961, 84483613348880041862046775994036021, 12300585434086858541953039857403386151
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,3
|
|
|
COMMENTS
|
a(1)=1 (instead of -1)
|
|
|
LINKS
|
|
|
|
PROG
|
(PARI) a(n)=numerator(bernfrac(2*prime(n)))
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
