49275

Appears in sequences

• Divide natural numbers in groups with prime(n) elements and add together.at n=20A034957
• Magic sums of 3 X 3 semimagic squares composed of odd squares.at n=25A269297
• Arithmetic derivative of the prime-factorization representation of the n-th Stern polynomial: a(n) = A003415(A260443(n)).at n=21A278544
• Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 3 or 8 king-move adjacent elements, with upper left element zero.at n=8A305227