This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A037588 Base 9 digits are, in order, the first n terms of the periodic sequence with initial period 3,1. 0
 3, 28, 255, 2296, 20667, 186004, 1674039, 15066352, 135597171, 1220374540, 10983370863, 98850337768, 889653039915, 8006877359236, 72061896233127, 648557066098144, 5837013594883299 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Index entries for linear recurrences with constant coefficients, signature (9,1,-9). FORMULA G.f.: x*(3+x) / ( (x-1)*(9*x-1)*(1+x) ). - R. J. Mathar, Apr 27 2015 a(n) = 7*9^n/20 -1/4 +(-1)^(n+1)/10. - R. J. Mathar, Apr 27 2015 MATHEMATICA With[{c=PadLeft[{}, 20, {3, 1}]}, Table[FromDigits[Take[c, n], 9], {n, 20}]] (* Harvey P. Dale, Oct 15 2011 *) CROSSREFS Sequence in context: A037777 A037665 A037784 * A307885 A076723 A198887 Adjacent sequences:  A037585 A037586 A037587 * A037589 A037590 A037591 KEYWORD nonn,base,easy AUTHOR 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 15 23:54 EDT 2019. Contains 328038 sequences. (Running on oeis4.)