Self-convolution of numbers of preferential arrangements.
A006957
Self-convolution of numbers of preferential arrangements.
Terms
- a(0) =1a(1) =2a(2) =7a(3) =32a(4) =185a(5) =1310a(6) =11067a(7) =109148a(8) =1234045a(9) =15752858a(10) =224169407a(11) =3518636504a(12) =60381131265
External references
- oeis: A006957