84749

Appears in sequences

• Total sum of parts of multiplicity 4 in all partitions of n.at n=43A222732
• a(n) = 2*a(n-1) - a(n-3) + 2*a(floor(n/2)) + 3*a(floor(n/3)) + ... + n*a(floor(n/n)), where a(0) = 1, a(1) = 2, a(2) = 3.at n=15A298409
• E.g.f.: Sum_{n>=0} 2^(n^2) * W(x)^(2^n) * x^n/n!, where W(x) = LambertW(-x)/(-x).at n=4A326086