This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A131679 a(n) = (Product_{i=1..9} n^i+i) / 9!. 2
 1, 10, 524816325, 15995379784360900, 5136081211768056707885, 104827108835105429096703456, 359044402823940369662885183425, 354548318931625565271233374406000, 140230322081790179721500725877795625, 27516367648544953143193233240569070880, 3102623679344954347223585172112606310061 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS See A131685 about well-definedness. - M. F. Hasler, May 02 2015 LINKS MATHEMATICA Table[Product[ n^i + i, {i, 1, 9}]/9!, {n, 0, 10}] (* Michael De Vlieger, Jan 03 2016 *) PROG (PARI) A131679(n, k=9)=prod(i=1, k, (n^i+i))/k! \\ Changing the optional 2nd argument allows one to produce A000027 (k=1), A064808 (k=2), A131509 (k=3), A129995 (k=4), A131675 (k=5), ..., A131680 (k=10). - M. F. Hasler, May 02 2015 CROSSREFS Sequence in context: A220145 A057141 A034249 * A259391 A279540 A321538 Adjacent sequences:  A131676 A131677 A131678 * A131680 A131681 A131682 KEYWORD nonn,easy AUTHOR Alexander R. Povolotsky, Sep 15 2007 EXTENSIONS Definition made explicit by M. F. Hasler, May 02 2015 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 October 19 22:55 EDT 2019. Contains 328244 sequences. (Running on oeis4.)