1249890

Appears in sequences

• Monotonic ordering of set S generated by these rules: if x and y are in S then x^2+y^2-xy/2 is in S, and 2 is in S.at n=16A192537
• Number of length n+6 0..5 arrays with no seven consecutive terms having four times the sum of any three elements equal to three times the sum of the remaining four.at n=1A249194
• T(n,k)=Number of length n+6 0..k arrays with no seven consecutive terms having four times the sum of any three elements equal to three times the sum of the remaining four.at n=16A249197
• Number of length 2+6 0..n arrays with no seven consecutive terms having four times the sum of any three elements equal to three times the sum of the remaining four.at n=4A249199