Numbers k such that k^2 is a sum of distinct factorials.
A014597
Numbers k such that k^2 is a sum of distinct factorials.
Terms
- a(0) =1a(1) =3a(2) =5a(3) =11a(4) =12a(5) =27a(6) =29a(7) =71a(8) =72a(9) =213a(10) =215a(11) =603a(12) =635a(13) =1917a(14) =1183893
External references
- oeis: A014597