469072

Appears in sequences

• Number of length n+3 0..6 arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.at n=3A249288
• 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=39A249290
• Number of length 4+3 0..n arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.at n=5A249294
• G.f.: Sum_{n>=0} a(n)*x^n/(n!*3^(n*(n-1)/2)) = log( Sum_{n>=0} x^n/(n!*3^(n*(n-1)/2)) ).at n=5A355070