166042

Appears in sequences

• Triangle read by rows: coefficients d(n,k) of André polynomials D(x,n) = Sum_{k>0} d(n,k)*x^k.at n=33A094503
• Triangle read by rows: T(n,k) = (k+1)*T(n-1,k) + (n-k+1)*T(n,k-1).at n=31A096078
• Triangle read by rows: number of simsun n-permutations with k descents.at n=32A113897
• Binomial transform of the characteristic function of the prime numbers (A010051).at n=19A121497