222750

Appears in sequences

• Expansion of Product_{k>=1} (1-x^k)^30.at n=7A010835
• Sums of adjacent amicable numbers, a(n) = A063990(2n-1) + A063990(2n).at n=13A161005
• Number of (n+2) X 3 binary arrays avoiding patterns 001 and 011 in rows and columns.at n=14A202093
• Number of (n+1)X(2+1) 0..1 arrays with nondecreasing sum of every two consecutive values in every row and column.at n=15A250426