30426

Appears in sequences

• Numbers n such that 147*2^n-1 is prime.at n=32A050599
• Expansion of (x^2-x-1)*(x^3-x^2+x-2) / ((x-1)*(2*x-1)*(x^2+x+1)*(x^2+1)).at n=14A109784
• The sum of the numbers on the perimeter of the n X n diamond frame, located at the top of the numerical pyramid containing the positive integers in natural order.at n=22A359096