30655

Appears in sequences

• Expansion of 1/((1-6*x)*(1-11*x)).at n=4A016174
• Average of four successive primes squared, (prime(n)^2 + prime(n+1)^2 + prime(n+2)^2 + prime(n+3)^2)/4, n>=2.at n=37A075894
• a(n) = a(n-1) + a(floor(n/2)) + a(ceiling(n/2)).at n=38A131205
• Expansion of Product_{k>0} (1 + Sum_{m>=0} x^(k*2^m)).at n=47A304393
• a(n) is the least A000120-perfect number (A175522) whose binary weight (A000120) is n, or 0 if no such number exists.at n=12A360643