51084

Appears in sequences

• Numbers k such that 5*2^k - 7 is prime.at n=25A059749
• Number of ways to place 2 nonattacking kings on an n X n cylindrical chessboard.at n=17A194650
• Number of arrays of 2n nondecreasing integers in -4..4 with sum zero and equal numbers greater than zero and less than zero.at n=13A203287
• Triangle of coefficients of polynomials u(n,x) jointly generated with A210861; see the Formula section of A210861.at n=46A210860