68211

Appears in sequences

• Fermat coefficients.at n=25A000970
• a(n) = floor(C(n,4)/5).at n=55A011795
• Dying rabbits: a(n) = a(n-1) + a(n-2) - a(n-10).at n=25A023440
• Hexagonal spiral sequence: sequence is written as a hexagonal spiral around a 'dummy' center, each entry is the sum of the row in the previous direction containing the previous entry.at n=26A063178
• Values of A063178 on folding point positions of the spiral.at n=13A063253
• Number of symmetric 11-ary factorizations of the n-cycle (1,2...n).at n=10A192893
• a(n) = binomial(11*n+1,n)/(11*n+1).at n=5A230388
• a(n) = binomial(5*(n+1),4)/5, with n >= 0.at n=10A234043