|
|
A222621
|
|
a(n) = (2n-1)^(2n).
|
|
3
|
|
|
1, 81, 15625, 5764801, 3486784401, 3138428376721, 3937376385699289, 6568408355712890625, 14063084452067724991009, 37589973457545958193355601, 122694327386105632949003612841, 480250763996501976790165756943041, 2220446049250313080847263336181640625
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
LINKS
|
|
|
FORMULA
|
|
|
EXAMPLE
|
1^2; 3^4; 5^6; 7^8 and so on.
|
|
MATHEMATICA
|
Table[(2 n - 1)^(2 n), {n, 20}] (* T. D. Noe, Feb 26 2013 *)
|
|
PROG
|
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|