435346

Appears in sequences

• a(n) = Sum_{i=0..n-1} (1 + (-1)^(n-1-i))/2 * Sum_{j=0..i} a(j)*a(i-j) for n > 0, with a(0) = 1.at n=12A085139
• Number of length n+6 0..7 arrays with every seven consecutive terms having four times the sum of some three elements equal to three times the sum of the remaining four.at n=2A249170
• T(n,k)=Number of length n+6 0..k arrays with every seven consecutive terms having four times the sum of some three elements equal to three times the sum of the remaining four.at n=38A249171
• Number of length 3+6 0..n arrays with every seven consecutive terms having four times the sum of some three elements equal to three times the sum of the remaining four.at n=6A249174