Number of balanced reduced multisystems with n atoms all equal to 1.
A318813
Number of balanced reduced multisystems with n atoms all equal to 1.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =20a(5) =90a(6) =468a(7) =2910a(8) =20644a(9) =165874a(10) =1484344a(11) =14653890a(12) =158136988a(13) =1852077284a(14) =23394406084a(15) =317018563806
External references
- oeis: A318813