A005980 Let F(x) = 1 + x + 4x^2 + 9x^3 + ... = g.f. for A002835 (solid partitions restricted to two planes) and expand (1-x)(1-x^2)(1-x^3)...*F(x) in powers of x.
1, 0, 2, 4, 9, 16, 35, 63, 129, 234, 445, 798, 1458, 2568, 4561, 7924, 13770, 23584, 40301, 68097, 114646, 191336, 317893, 524396, 861054, 1405130, 2282651, 3688254, 5933463
Offset: 0
References
- N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
Links
- D. E. Knuth, A Note on Solid Partitions, Math. Comp. 24, 955-961, 1970.
Crossrefs
Cf. A002836.