104985

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 72.at n=8A031750
• a(n) = 81*n^2 + 9.at n=35A157888
• Number of nondecreasing arrangements of n numbers in -5..5 with sum zero and sum of squares not greater than n*30/3.at n=16A183923
• Number of nX4 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 5 neighboring 1s.at n=6A297798
• T(n,k) = Number of n X k 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 5 neighboring 1's.at n=51A297802
• Number of 7 X n 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 5 neighboring 1's.at n=3A297807