|
|
A145380
|
|
Prime narcissistic (or Armstrong) numbers.
|
|
1
|
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
REFERENCES
|
J.-M. De Koninck, Ces nombres qui nous fascinent, Entry 28116440335967, p.383, Ellipses, Paris 2008.
|
|
LINKS
|
|
|
EXAMPLE
|
The 21-digit prime 449177399146038697307 is in the sequence because it is equal to 4^21 + 4^21 + 9^21 + 1^21 + 7 ^21 + ... + 9^21 + 7^21 + 3^21 + 0^21 + 7^21.
|
|
CROSSREFS
|
|
|
KEYWORD
|
fini,full,nonn,base
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|