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A188284
Finite sequence of numbers n such that iterations for the map r -> A061602(r) starting with n ends with the same number n.
2
1, 2, 145, 169, 871, 872, 1454, 40585, 45361, 45362, 363601
OFFSET
1,2
COMMENTS
See A173447 = the number of iterations for the map r -> A061602(r), A061602 = sum of factorials of the digits of n.
Superset of A014080 (factorions).
EXAMPLE
Number 169 is in sequence because 169 -> 363601 -> 1454 -> 169.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Jaroslav Krizek, Mar 26 2011
STATUS
approved