66514

Appears in sequences

• a(n) = T(n, n-3), T given by A026519. Also a(n) = number of integer strings s(0), ..., s(n), counted by T, such that s(n) = 3.at n=12A026523
• a(n) = T(n, n-3), T given by A026552. Also a(n) = number of integer strings s(0), ..., s(n) counted by T, such that s(n) = 3.at n=12A026556
• Irregular triangle read by rows: T(n,m) = number of lattice paths of type B^H terminating at point (n, m).at n=59A291085