26410
domain: N
Appears in sequences
- Base-9 palindromes that start with 4.at n=22A043031
- a(n) = (4*n^2 + 2*n - 3)*(2*n - 1)*n/3.at n=10A058581
- Total area below the lattice paths of a given length defined by the rule [(0),(k)->(k-1)(k)(k+1)] (Motzkin paths).at n=7A094891
- Number of digits in A110788(n).at n=14A110789
- a(n) = 11*7^n-1.at n=4A198692
- 25-gonal pyramidal numbers: a(n) = n*(n+1)*(23*n-20)/6.at n=19A256645
- Number of n-vertex, 2-edge multigraphs that are not nesting. Number of n-vertex, 2-edge multigraphs that are not crossing.at n=20A326278
- a(n) = A002070(n) + A036689(n).at n=37A366346