OFFSET
0,2
COMMENTS
The numerator of the g.f. is the n=2 row polynomial of the triangle A089275.
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..500
P. Blasiak, K. A. Penson and A. I. Solomon, The general boson normal ordering problem, Phys. Lett. A 309 (2003) 198-205.
P. Blasiak, K. A. Penson and A. I. Solomon, The general boson normal ordering problem, arXiv:quant-ph/0402027, 2004.
Index entries for linear recurrences with constant coefficients, signature (20, -108, 144).
FORMULA
MATHEMATICA
Table[6*12^n -6*6^n +2^n, {n, 0, 30}] (* G. C. Greubel, Feb 07 2018 *)
LinearRecurrence[{20, -108, 144}, {1, 38, 652}, 20] (* Harvey P. Dale, Oct 22 2024 *)
PROG
(Magma) [6*12^n-6*6^n+2^n: n in [0..20]]; // Vincenzo Librandi, Sep 02 2011
(PARI) for(n=0, 30, print1(6*12^n -6*6^n +2^n, ", ")) \\ G. C. Greubel, Feb 07 2018
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Nov 07 2003
STATUS
approved