The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A089518 Third column (k=5) of array A078741 ((3,3)-Stirling2) divided by 9. 3
 1, 138, 10476, 683208, 42315696, 2570768928, 155010407616, 9318969502848, 559578466388736, 33585275183251968, 2015370124337581056, 120928294183739148288, 7255843732407562776576, 435354129897768445943808 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 REFERENCES P. Blasiak, K. A. Penson and A. I. Solomon, The general boson normal ordering problem, Phys. Lett. A 309 (2003) 198-205. LINKS P. Blasiak, K. A. Penson and A. I. Solomon, The general boson normal ordering problem. FORMULA G.f.: (1+48*x)/((1-3*2*1*x)*(1-4*3*2*x)*(1-5*4*3*x)). a(n)= (10*(5*4*3)^n - 8*(4*3*2)^n + (3*2*1)^n)/3 = b(n) + 48*b(n-1), with b(n) := A089513(n). CROSSREFS Cf. A089513 (third column of A089504), A089519, A090219. Sequence in context: A213963 A279964 A163693 * A223192 A199839 A005447 Adjacent sequences: A089515 A089516 A089517 * A089519 A089520 A089521 KEYWORD nonn,easy AUTHOR Wolfdieter Lang, Dec 01 2003 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified February 3 05:52 EST 2023. Contains 360024 sequences. (Running on oeis4.)