287197

Appears in sequences

• a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (F(2), F(3), F(4), ...), t = (primes).at n=31A025111
• Expansion of Product_{m>=1} (1+q^m)^(m^2).at n=15A027998