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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

This is row n=4 in A252648. - M. F. Hasler, Apr 12 2015

LINKS

Table of n, a(n) for n=1..5.

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

CROSSREFS

Cf. A023052, A046074, A046197, A052464, A124068, A124069, A226970, A003321.

Sequence in context: A297659 A219007 A072409 * A252619 A224461 A233121

Adjacent sequences:  A052452 A052453 A052454 * A052456 A052457 A052458

KEYWORD

base,full,nonn,fini

AUTHOR

Henry Bottomley, Mar 15 2000

STATUS

approved

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Last modified April 26 08:03 EDT 2019. Contains 322472 sequences. (Running on oeis4.)