-13668

Appears in sequences

• Determinants of 3 X 3 matrices of discrete blocks of 9 consecutive primes.at n=5A117329
• a(n) is the determinant of the 3 X 3 matrix with entries the 9 consecutive primes starting with the n-th prime.at n=45A117330
• Expansion of Sum_{k>0} x^(4*k)/(1+x^k)^4.at n=44A363616