1804275

Appears in sequences

• a(n) = (n+1)*(n+2)*(n+3)*(n+12)*3^n/72.at n=8A080422
• Determinant of the n X n matrix with (i,j)-entry equal to 1 or 0 according as 2*(i + j) - 1 and 2*(i + j) + 1 are twin primes or not.at n=55A228615