41498

Appears in sequences

• Number of stacks, or arrangements of n pennies in contiguous rows, each touching 2 in row below.at n=37A001524
• 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 23.at n=10A031611
• Number of 4-step S, NW and NE-moving king's tours on an n X n board summed over all starting positions.at n=40A187378
• Number of (n+1) X 6 binary arrays with consecutive windows of two bits considered as a binary number nondecreasing in every row and column.at n=10A202332
• Number of n X 7 0..1 arrays with every element equal to 0, 1, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=4A302876
• T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=59A302877
• Number of 5Xn 0..1 arrays with every element equal to 0, 1, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=6A302880