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A052455
Fixed points for operation of repeatedly replacing a number with the sum of the fourth power of its digits.
11
0, 1, 1634, 8208, 9474
OFFSET
1,3
COMMENTS
This is row n=4 in A252648. - M. F. Hasler, Apr 12 2015
FORMULA
a(n) = A055013(a(n)). - M. F. Hasler, Apr 12 2015
EXAMPLE
a(2)=1634 since 1^4+6^4+3^4+4^4=1+1296+81+256=1634
PROG
(PARI) for(n=0, 10^5, A055013(n)==n&&print1(n", ")) \\ M. F. Hasler, Apr 12 2015
KEYWORD
base,full,nonn,fini
AUTHOR
Henry Bottomley, Mar 15 2000
STATUS
approved