1657942

Appears in sequences

• Product of Catalan and Jacobsthal numbers: a(n) = A000108(n)*A001045(n+1).at n=9A200375
• Triangle of numerators of the coefficients t(n,k) in the formula B(2n) = -sum_{k=1..n-1} t(n,k)*B(2k)*B(2n-2k), where the B() are the even-indexed Bernoulli numbers.at n=32A228969