Main diagonal of irregular triangle A303650.
A303651
Main diagonal of irregular triangle A303650.
Terms
- a(0) =1a(1) =3a(2) =15a(3) =100a(4) =840a(5) =8589a(6) =104104a(7) =1463760a(8) =23457780a(9) =422352880a(10) =8443603509a(11) =185620024044
External references
- oeis: A303651