A034139 Number of partitions of n into distinct parts from [1, 9].
1, 1, 1, 2, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 19, 21, 21, 22, 23, 23, 23, 23, 22, 21, 21, 19, 18, 17, 15, 13, 12, 10, 9, 8, 6, 5, 4, 3, 2, 2, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
Offset: 0
Keywords
References
- Mohammad K. Azarian, A Generalization of the Climbing Stairs Problem II, Missouri Journal of Mathematical Sciences, Vol. 16, No. 1, Winter 2004, pp. 12-17. Zentralblatt MATH, Zbl 1071.05501. - Mohammad K. Azarian, Aug 22 2010
- Mohammad K. Azarian, A Generalization of the Climbing Stairs Problem, Mathematics and Computer Education, Vol. 31, No. 1, pp. 24-28, Winter 1997. MathEduc Database (Zentralblatt MATH, 1997c.01891). - Mohammad K. Azarian, Aug 22 2010
Formula
G.f.: (1+x)*(1+x^2)*(1+x^3)*...*(1+x^9).