|
|
A013764
|
|
a(n) = 19^(3*n + 1).
|
|
1
|
|
|
19, 130321, 893871739, 6131066257801, 42052983462257059, 288441413567621167681, 1978419655660313589123979, 13569980418174090907801371961, 93076495688256089536609610280499
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,1
|
|
LINKS
|
|
|
FORMULA
|
|
|
MATHEMATICA
|
|
|
PROG
|
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|