Column m=2 sequence of triangle A103718(n,m), n >= 0 (without leading zeros).
A103719
Column m=2 sequence of triangle A103718(n,m), n >= 0 (without leading zeros).
Terms
- a(0) =1a(1) =7a(2) =45a(3) =310a(4) =2359a(5) =19901a(6) =185408a(7) =1896380a(8) =21163076a(9) =256176052a(10) =3345574440a(11) =46910470152a(12) =703146058224
External references
- oeis: A103719