40712

Appears in sequences

• a(n) = sum of absolute values of coefficients of (1 + x - 2*x^2)^n.at n=9A084613
• Maximal number of 1432 patterns in a permutation of 1,2,...,n.at n=39A100354
• Number of 1-sided strip polyedges with n cells.at n=11A151538
• Number of length 1+3 0..n arrays with every four consecutive terms having the sum of some three elements equal to three times the fourth.at n=30A248538
• Even numbers that are not the sum or difference of two binary palindromes (A006995).at n=12A290424
• Number of even parts in the partitions of n into 9 parts.at n=47A309658