|
|
A076146
|
|
a(1) = 1; a(n) = a(n-1)*prime(a(n-1)).
|
|
10
|
|
|
|
OFFSET
|
1,2
|
|
COMMENTS
|
Previous term * prime(previous term). Previous term + prime(previous term) is A074271.
Matula-Goebel numbers of the finite ordinal numbers; see also A007097. - Gus Wiseman, Aug 30 2016
|
|
LINKS
|
|
|
MATHEMATICA
|
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,hard,more
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|