A163576 -id:A163576 - cp's OEIS frontend

A163752 Generalized factorions: numbers which are equal to the sum of the factorials of some or all of their digits in base 10.

1, 2, 24, 145, 5760, 5761, 5762, 40328, 40585, 362904, 367920, 367921, 367922, 367926, 367928, 367932, 367944

Offset: 1

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Berend Jan van der Zwaag (b.j.vanderzwaag(AT)utwente.nl), Aug 03 2009

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Generalized factorions include factorions (A014080), near-factorions (A163576), and "not-so-near-factorions" such as 362904, which is equal to 9! + 4!.

			367932 = 3! + 7! + 9! + 3!.

Superset of A014080 and A163576.

Select[Range[370000],MemberQ[Total[#!]&/@Rest[Subsets[ IntegerDigits[ #]]], #]&] (* Harvey P. Dale, Mar 20 2017 *)

cp's OEIS Frontend

A163752 Generalized factorions: numbers which are equal to the sum of the factorials of some or all of their digits in base 10.

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