26920

Appears in sequences

• Sum of largest parts of all partitions of n into odd parts.at n=43A092322
• Average of 4 primes where the integer Schwarzian derivative is zero.at n=26A094903
• Number of partitions p of n such that (number of even numbers in p) <= (number of odd numbers in p).at n=40A241637
• Expansion of (-1 + Product_{k>=1} 1 / (1 + (-x)^k))^8.at n=15A341247
• Irregular triangle read by rows: T(n,k) (0 <= k <= n^2) are coefficients of cluster density function for site percolation on an n X n 2D triangular lattice with open boundary conditions.at n=24A365945
• Binomial transform of the Gray code sequence.at n=12A372304