123800

Appears in sequences

• Quintisection of 1/(1-x^3-x^4).at n=13A099101
• Expansion of x/(1 - 2*x^2 - x^3 + x^4).at n=32A122514
• Number of degeneracies on the sets of n ordinary trees with n vertices. These are the values of the Schultz molecular topological index, MTI, in Table 15 of the paper by Elena V. Konstantinova and Maxim V. Vidyuk.at n=10A125069
• Number of 2 X 2 matrices with all elements in {0,1,...,n} and positive even determinant.at n=24A210372
• p-INVERT of (1,1,1,1,1,...), where p(S) = 1 - S^3 - S^4.at n=16A290998