119133

Appears in sequences

• Fermat coefficients.at n=29A000970
• Number of n-node trees with a forbidden limb of length 6.at n=18A002992
• 4-dimensional analog of centered polygonal numbers.at n=26A006322
• a(n) = n*(2*n-1)*(2*n+1).at n=31A035328
• a(n) = binomial(5*n+8, 4)/5 for n >= 0.at n=11A238473
• Triangle T read by rows: n-th row (n>=0) gives the non-vanishing coefficients of the polynomial q(n,x) = 2^(-n)*((x+1)^(2^n) - (x-1)^(2^n))/2.at n=34A281123
• Growth of the Lamplighter group: number of elements in the Lamplighter group Z wr Z of length up to n with respect to the standard generating set {a,t}.at n=11A294781