312816

Appears in sequences

• Triangle read by rows: T(n,k) = binomial(n,k)*(binomial(n-1,k-1)*binomial(n+1,k+1) + binomial(n-1,k)*binomial(n+1,k)), with T(0,0) = 1.at n=39A174148
• Triangle read by rows: T(n,k) = binomial(n,k)*(binomial(n-1,k-1)*binomial(n+1,k+1) + binomial(n-1,k)*binomial(n+1,k)), with T(0,0) = 1.at n=41A174148
• The period after which the powers of n repeat on an 8-digit calculator.at n=23A216068