-2001

Appears in sequences

• Expansion of (1-x-x^N)/((1-x)(1-x^2)(1-x^3)...(1-x^N)) for N = 5.at n=48A060024
• Scaled row sum zero vector recursion:s=7; v(n)={s^(n+1),s^(n+1)-Sum[s^i,{i,2,n}],s^n,...,-1}/s^2.at n=16A152861
• a(n) = Sum_{k=0..floor(n/9)} (-1)^k*binomial(n,9*k).at n=14A307045
• G.f.: A(x) = Sum_{n>=0} binomial(2*(n+1), n)/(n+1) * x^n / (1+x)^(3*(n+1)).at n=23A316987
• a(n) = n - 2^(sum of digits of n).at n=47A328882
• a(n) = Sum_{k=0..floor(n/10)} (-1)^k * binomial(n-5*k,5*k).at n=19A348310