240829

Properties

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 36.at n=25A031624
• Number of n X 6 0..2 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing.at n=3A224260
• T(n,k) = number of n X k 0..2 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing.at n=39A224262
• Number of 4 X n 0..2 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing.at n=5A224264
• Prime numbersat n=21287