Final term in the rows of triangle A130454: a(n) = A130454(n,(n+1)(n+2)/2 - 1).
A130455
Final term in the rows of triangle A130454: a(n) = A130454(n,(n+1)(n+2)/2 - 1).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =27a(5) =175a(6) =1523a(7) =16744a(8) =222792a(9) =3482889a(10) =62611360a(11) =1273388483a(12) =28925945020a(13) =726303053021
External references
- oeis: A130455