54195

Appears in sequences

• Numbers k such that 4*3^k - 1 is prime.at n=22A005540
• Absolute discriminants of complex quadratic fields with 3-class group of type (3,3), 3-principalization type (2143), IPAD [(3,9)^4], and Hilbert 3-class field tower of unknown length at least 3.at n=2A247688
• Antidiagonal sums of the second quadrant of array A(k,m) = F_k(m), F_k(m) being the k-th Fibonacci polynomial evaluated at m.at n=16A304359