The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A218089 a(n) = n*((n+1)^n - n^(n-1)). 1
 1, 14, 165, 2244, 35755, 659238, 13856521, 327596552, 8612579511, 249374246010, 7887780406957, 270660921021516, 10015416945711619, 397588957529910734, 16855928678721845265, 760132325936960344080, 36333256253671504279279 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS FORMULA a(n) = n*A178922(n). MAPLE A178922 := proc(n)     (n+1)^n-n^(n-1) ; end proc: A218089 := proc(n)     n*A178922(n) ; end proc: # R. J. Mathar, Oct 21 2012 MATHEMATICA a[n_] := n*((n + 1)^n - n^(n - 1)) Table[n*((n + 1)^n - n^(n - 1)), {n, 100}] PROG (Maxima) A218089[n]:=n*((n+1)^n-n^(n-1))\$ makelist(A218089[n], n, 1, 30); /* Martin Ettl, Oct 29 2012 */ CROSSREFS Sequence in context: A016146 A269539 A228422 * A273587 A125449 A159738 Adjacent sequences:  A218086 A218087 A218088 * A218090 A218091 A218092 KEYWORD nonn,easy AUTHOR Brian J. Tyrrell, Oct 20 2012 STATUS approved

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

Last modified June 22 04:06 EDT 2021. Contains 345367 sequences. (Running on oeis4.)