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A308259 a(n) is equal to the sum of the factorials of the digits of a(n-1), initial term is 3. 1
3, 6, 720, 5043, 151, 122, 5, 120, 4, 24, 26, 722, 5044, 169, 363601, 1454, 169, 363601, 1454, 169, 363601, 1454, 169, 363601, 1454, 169, 363601, 1454, 169, 363601, 1454, 169, 363601, 1454, 169, 363601, 1454, 169, 363601, 1454, 169, 363601, 1454, 169, 363601 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

From a(14) = 169, the sequence is stuck in the loop 363601, 1454, 169, 363601, 1454, ...

LINKS

Table of n, a(n) for n=1..45.

EXAMPLE

a(5) = 151, so a(6) = 1! + 5! + 1! = 1 + 120 + 1 = 122.

CROSSREFS

Cf. A061602, A306955.

Sequence in context: A157540 A179267 A171928 * A034879 A113588 A071106

Adjacent sequences:  A308256 A308257 A308258 * A308260 A308261 A308262

KEYWORD

base,easy,nonn

AUTHOR

Romain Pinot, May 17 2019

STATUS

approved

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Last modified August 8 18:52 EDT 2022. Contains 356016 sequences. (Running on oeis4.)