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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A362445 a(n) = (n+1)^4 written in base n. 0
 1111111111111111, 1010001, 100111, 21301, 20141, 15041, 14641, 14641, 14641, 14641, 14641, 14641, 14641, 14641, 14641, 14641, 14641, 14641, 14641, 14641, 14641, 14641, 14641, 14641, 14641, 14641, 14641, 14641, 14641, 14641, 14641, 14641, 14641, 14641, 14641, 14641, 14641 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS a(n) = 14641 for n >= 7. REFERENCES GCHQ, The GCHQ Puzzle Book, Penguin, 2016. See pages 108 and 300. LINKS Table of n, a(n) for n=1..37. Index entries for linear recurrences with constant coefficients, signature (1). FORMULA G.f.: x*(400*x^6 + 5100*x^5 + 1160*x^4 + 78810*x^3 + 909890*x^2 + 1111111110101110*x - 1111111111111111)/(x - 1). - Chai Wah Wu, Apr 23 2023 EXAMPLE For n=2, 3^4 = 81 = 1010001 in base 2. MATHEMATICA PadRight[{1111111111111111, 1010001, 100111, 21301, 20141, 15041}, 50, 14641] (* Paolo Xausa, May 28 2024 *) CROSSREFS Sequence in context: A172607 A235167 A095431 * A282672 A337922 A072719 Adjacent sequences: A362442 A362443 A362444 * A362446 A362447 A362448 KEYWORD nonn,base AUTHOR N. J. A. Sloane, Apr 22 2023 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 August 13 05:00 EDT 2024. Contains 375113 sequences. (Running on oeis4.)