Central terms of triangle A114176 found in even-indexed rows.
A114178
Central terms of triangle A114176 found in even-indexed rows.
Terms
- a(0) =1a(1) =3a(2) =18a(3) =135a(4) =1083a(5) =9219a(6) =80631a(7) =724080a(8) =6601639a(9) =61065270a(10) =570430258a(11) =5376309654a(12) =51020229343a(13) =487127706521
External references
- oeis: A114178