A145286 a(n) = number of monomials in n-th power of polynomial x^5-x^4-x^3-x^2-x-1

6, 10, 15, 19, 25, 31, 35, 41, 46, 51, 56, 61, 66, 71, 76, 81, 86, 90, 96, 101, 106, 111, 116, 121, 126, 131, 136, 141, 146, 151, 156, 161, 166, 171, 176, 181, 186, 191, 196, 201, 206, 211, 216, 221, 226, 231, 236, 241, 246, 251, 256, 261, 266, 271, 276, 281

Offset

1,1

Comments

a(n)=Length[(x^5-x^4-x^3-x^2-x-1)^n]

Links

Table of n, a(n) for n=1..56.

Mathematica

a = {}; k = x^5 - x^4 - x^3 - x^2- x - 1; m = k; Do[AppendTo[a, Length[m]]; m = Expand[m*k], {n, 1, 100}]; a (*Artur Jasinski*)

Crossrefs

Sequence in context: A315245 A315246 A315247 * A315248 A315249 A319382

Adjacent sequences: A145283 A145284 A145285 * A145287 A145288 A145289

Keyword

nonn

Author

Artur Jasinski, Oct 06 2008

Status

approved