75221

Appears in sequences

• Number of n X 4 0..1 arrays avoiding 0 0 0 horizontally and 0 0 1 vertically.at n=4A207084
• T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 horizontally and 0 0 1 vertically.at n=32A207088
• Number of 5Xn 0..1 arrays avoiding 0 0 0 horizontally and 0 0 1 vertically.at n=3A207091
• Nonprimes n such that the sum of proper divisors of n and the product of proper divisors of n are both perfect cubes.at n=16A244429
• a(n) is the largest anagram of 2*a(n-1), a(1)=1.at n=9A263451
• Number of nX6 0..1 arrays with every element unequal to 0, 1, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero.at n=7A316309
• Number of integer partitions of n that are neither Look-and-Say nor section-sum.at n=45A383510