99172

Appears in sequences

• G.f.: 1/((1-x)*(1-x^2)*(1-x^3)*(1-x^4)*(1-x^5))^2.at n=29A117487
• Divide the positive integers into subsets of lengths given by successive primes. a(n) is the sum of primes contained in the n-th subset.at n=42A344718