105411

Appears in sequences

• Numbers whose square starts with 5 identical digits.at n=7A119866
• Number of 1-2-3-4-5-6 trees with n edges and with thinning limbs. A 1-2-3-4-5-6 tree is an ordered tree with vertices of outdegree at most 6. A rooted tree with thinning limbs is such that if a node has k children, all its children have at most k children.at n=13A124501
• Number of n X n binary arrays with all ones connected only in a 0100-1100-1111 pattern in any orientation.at n=7A146783
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 0100-1100-1111 pattern in any orientation.at n=16A146785
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 0100-1100-1111 pattern in any orientation.at n=17A146785
• Number of n X 2 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, vertically or antidiagonally.at n=5A232303
• Number of n X 6 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, vertically or antidiagonally.at n=1A232307
• T(n,k)=Number of nXk 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, vertically or antidiagonally.at n=22A232309
• T(n,k)=Number of nXk 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, vertically or antidiagonally.at n=26A232309
• a(n) = Sum_{k=1..n} (k * floor(n/k))^3.at n=19A356249