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A269221
Factorial of the sum of decimal digits of n.
3
1, 1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3628800, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3628800, 39916800, 6, 24, 120, 720, 5040, 40320, 362880, 3628800, 39916800, 479001600, 24, 120, 720, 5040
OFFSET
0,3
COMMENTS
Sequence A093659 is the binary (base 2) version.
LINKS
FORMULA
a(n) = A000142(A007953(n)).
MATHEMATICA
Table[Total[IntegerDigits[n]]!, {n, 0, 50}] (* Harvey P. Dale, Dec 19 2021 *)
PROG
(PARI) A269221(n)=sumdigits(n)!
CROSSREFS
KEYWORD
nonn,base
AUTHOR
M. F. Hasler, Mar 15 2016
STATUS
approved