A163576 Near-factorions: equal to the sum of the factorials of all but one of their digits in base 10.

24, 5761, 5762

Offset

1,1

References

Clifford A. Pickover, "Wonders of Numbers: Adventures in Mathematics, Mind, and Meaning", Oxford University Press, 2003, p. 357.

Links

Table of n, a(n) for n=1..3.

Example

24 = 4!, 5761 = 7! + 6! + 1!, 5762 = 7! + 6! + 2!

Prog

(MATLAB) f = factorial(0:9); n = 0; for m = 1:2177280, d = f(mod(floor(m*10.^(-floor(log10(m)):0)), 10)+1); if any(sum(d)-d==m), n = n+1; a(n) = m; end, end

Crossrefs

Cf. A014080.

Sequence in context: A239898 A002198 A277001 * A145408 A175672 A181749

Adjacent sequences: A163573 A163574 A163575 * A163577 A163578 A163579

Keyword

base,fini,full,nonn,bref

Author

Berend Jan van der Zwaag (b.j.vanderzwaag(AT)utwente.nl), Jul 31 2009

Status

approved