A192257 1-sequence of reduction of (n^3) by x^2 -> x+1.

0, 8, 35, 163, 538, 1618, 4362, 11018, 26327, 60327, 133532, 287324, 603692, 1243044, 2515419, 5013979, 9863110, 19176814, 36900470, 70348470, 132999135, 249552143, 465041880, 861196248, 1585696248, 2904335648, 5293714067, 9605482003

Offset: 1

Author

Clark Kimberling, Jun 27 2011

Keywords

• nonn
• changed

Comments

See A192232 for definition of "k-sequence of reduction of [sequence] by [substitution]".

Crossrefs

Cf. A192232, A192256.

Programs

Mathematica

(* See A192256. *)

Formula

Empirical g.f.: x^2*(8-5*x+36*x^2-19*x^3+12*x^4-x^5)/(1-x)/(1-x-x^2)^4. - Colin Barker, Feb 10 2012