65040

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 34.at n=14A031712
• Number of triangles similar to their n-th pedal, and not similar to any k-th pedal for k < n.at n=7A102536
• a(n) = 225*n^2 + 15.at n=17A158557
• Number of (n+1) X (2+1) 0..2 arrays with every 2 X 2 subblock summing to a nonzero multiple of 2.at n=3A251204
• Number of (n+1)X(4+1) 0..2 arrays with every 2X2 subblock summing to a nonzero multiple of 2.at n=1A251206
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock summing to a nonzero multiple of 2.at n=11A251210
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock summing to a nonzero multiple of 2.at n=13A251210
• Number of n X n "primitive" binary matrices.at n=3A265627
• Number of length-4 0..n arrays with no repeated value equal to the previous repeated value.at n=14A269468
• Number of 3 X n binary matrices that are "primitive"; that is, they cannot be expressed as a "tiling" by a smaller matrix.at n=3A290754
• Table read by antidiagonals where A(n,k) is the number of n X k binary arrays in which both the sequence of rows and the sequence of columns are (independently) aperiodic.at n=24A323862
• Table read by antidiagonals where A(n,k) is the number of n X k binary arrays in which both the sequence of rows and the sequence of columns are (independently) aperiodic.at n=37A323862
• Table read by antidiagonals where A(n,k) is the number of n X k binary arrays in which both the sequence of rows and the sequence of columns are (independently) aperiodic.at n=43A323862
• a(n) is the number of 2-point antichains in the poset D_{2n+1} of type D, whose elements are compositions of 2n+1.at n=29A344791
• Integers m such that the decimal expansion of 1/m contains only odd digits other than leading or trailing zeros.at n=44A353614