|
|
A051761
|
|
Numbers that are simultaneously a sum of factorials of distinct integers and of the form a^b with b >= 2.
|
|
7
|
|
|
0, 1, 4, 8, 9, 25, 27, 32, 121, 128, 144, 729, 841, 5041, 5184, 45369, 46225, 363609, 403225, 3674889, 1401602635449
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,3
|
|
COMMENTS
|
0! and 1! are treated as distinct.
|
|
LINKS
|
|
|
EXAMPLE
|
4 is in the sequence since 2! + 1! + 0! = 4 = 2^2.
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,more
|
|
AUTHOR
|
Paul.Jobling(AT)WhiteCross.com, Aug 10 2000
|
|
STATUS
|
approved
|
|
|
|