268334

Appears in sequences

• Expansion of 1/((1-x)^3 (1-x^2)^2 (1-x^3) (1-x^4)).at n=39A002626
• A generalized difference set on the set of all integers (lambda = 1).at n=31A024431
• a(n) = Sum_{k=1..n} (-1)^(k-1) * binomial(floor(n/k)+4,5).at n=29A366723