198507domain: NAppears in sequencesExpansion of Product_{k>=1} 1 / (1 + k*x^k)^k.at n=31A266971Number of 3-tuples of nonnegative integers less than p for which 3-argument multinomial coefficients support a Lucas congruence modulo p^2, where p is the n-th prime.at n=26A348885