Triangle T(n,k) read by rows, where the n-th row is the vector of n consecutive primes with minimum first element, such that the components of the sum of this vector and of this vector arranged in reverse order are all the same.

A391880

Triangle T(n,k) read by rows, where the n-th row is the vector of n consecutive primes with minimum first element, such that the components of the sum of this vector and of this vector arranged in reverse order are all the same.