90386

Appears in sequences

• a(n) = T(n, n-1), T given by A026519. Also a(n) = number of integer strings s(0), ..., s(n), counted by T, such that s(n) = 1.at n=14A026521
• a(n) = T(n,n-1), T given by A026552. Also a(n) is the number of integer strings s(0),...,s(n) counted by T, such that s(n)=1.at n=14A026554
• Number of compositions of n into distinct parts with exactly ten descents.at n=20A241729
• Irregular triangle read by rows: T(n,m) = number of lattice paths of type B^H terminating at point (n, m).at n=57A291085