38761

Appears in sequences

• Numbers k such that 155*2^k+1 is prime.at n=22A032454
• Smallest magic constant for any n X n magic square made from consecutive primes, or 0 if no such magic square exists.at n=20A073520
• Values of c such that (c+9*b)*Prime(n)#-1 is the least prime such that (c+k*b)*Prime(n)#-1 is prime for k=0 to 9 with c+9*b < Prime(n)# , or 0 if no solution. Prime(n)#=n-th primorial.at n=19A188366
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 107", based on the 5-celled von Neumann neighborhood.at n=38A270166
• Smallest magic sum for any n X n semimagic square made from consecutive primes, or 0 if no such magic square exists.at n=20A270829
• a(n) = smallest potential magic constant for an n X n magic square composed of consecutive primes.at n=20A342124
• G.f.: Sum_{k>=0} x^k * Product_{j=1..2*k} (1 + x^j)/(1 - x^j).at n=25A385088