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

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A099914 Expansion of (1+3x)/((1-x)(1-10x)). 3
 1, 14, 144, 1444, 14444, 144444, 1444444, 14444444, 144444444, 1444444444, 14444444444, 144444444444, 1444444444444, 14444444444444, 144444444444444, 1444444444444444, 14444444444444444, 144444444444444444 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS Partial sums of (1+3x)/(1-10x)={1,13,130,1300,...}. LINKS Index entries for linear recurrences with constant coefficients, signature (11,-10). FORMULA a(n)=10^n*13/9-4/9; a(n)=11a(n-1)-10a(n-2), a(0)=1, a(1)=14. CROSSREFS Sequence in context: A238473 A016233 A276250 * A016278 A241169 A209347 Adjacent sequences:  A099911 A099912 A099913 * A099915 A099916 A099917 KEYWORD easy,nonn AUTHOR Paul Barry, Oct 30 2004 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 December 4 19:40 EST 2021. Contains 349526 sequences. (Running on oeis4.)