3104640

Appears in sequences

• Fourth (unsigned) column sequence of coefficient triangle A062137 of generalized Laguerre polynomials n!*L(n,3,x).at n=5A062142
• Phi(m)*sigma(m), where m is the product of exactly two primes that differ by 2, where phi=A000010, sigma=A000203.at n=5A094949
• Triangle of unsigned 2-Lah numbers.at n=39A143497