438048

Appears in sequences

• Powerful numbers (definition 1) sandwiched between twin primes.at n=22A113839
• Averages of twin prime pairs k such that k*2 and k/2 are squares.at n=22A154670
• Number of nX7 binary arrays without the pattern 0 0 diagonally or vertically.at n=3A188704
• T(n,k)=Number of nXk binary arrays without the pattern 0 0 diagonally or vertically.at n=48A188706
• Number of 4 X n binary arrays without the pattern 0 0 diagonally or vertically.at n=6A188708