1. The Legendre–Stirling numbers;Andrews;Discrete Math.,2011
2. P. Barry, The on-line encyclopedia of integer sequences, A080251, Paired decomposition of tetrahedral numbers A000292 arranged as number triangle, 2003.
3. The r-Stirling numbers;Broder;Discrete Math.,1984
4. q-Bernoulli numbers and polynomials;Carlitz;Duke Math. J.,1948
5. Degenerate Stirling, Bernoulli and Eulerian numbers;Carlitz;Util. Math.,1979