173368

Appears in sequences

• Consider the base-3 Kaprekar map n->K(n) defined in A164993. Sequence gives numbers belonging to cycles, including fixed points.at n=30A164998
• Consider the base-3 Kaprekar map n->K(n) defined in A164993. Sequence gives numbers belonging to cycles of length greater than 1.at n=23A165000
• Number of length n+3 0..4 arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.at n=4A249286
• T(n,k) = Number of length n+3 0..k arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.at n=32A249290
• Number of length 5+3 0..n arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.at n=3A249295