|
|
A309946
|
|
a(n) = floor(Pi^n/Zeta(n)).
|
|
0
|
|
|
0, 6, 25, 90, 295, 945, 2995, 9450, 29749, 93555, 294058, 924041, 2903320, 9121612, 28657269, 90030844, 282842403, 888579011, 2791558622, 8769948429, 27551618702, 86555983552, 271923674474, 854273468992, 2683779334331, 8431341566236, 26487840921750, 83214006759229, 261424512797515
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
LINKS
|
|
|
FORMULA
|
|
|
EXAMPLE
|
Pi^12/Zeta(12) = 638512875/691 = 924041.78... So a(12) = 924041.
|
|
MATHEMATICA
|
|
|
PROG
|
(PARI) {a(n) = if(n==1, 0, n==4, 90, floor(Pi^n/zeta(n)))}
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|