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!)
 A016081 Add 4, then reverse digits!. 5
 3, 7, 11, 51, 55, 95, 99, 301, 503, 705, 907, 119, 321, 523, 725, 927, 139, 341, 543, 745, 947, 159, 361, 563, 765, 967, 179, 381, 583, 785, 987, 199, 302, 603, 706, 17, 12, 61, 56, 6, 1, 5, 9, 31, 53, 75, 97, 101, 501, 505, 905, 909, 319, 323, 723, 727, 137, 141, 541 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS At 41st term, 1, the sequence joins the trajectory for a(1)=1, A119031. Cycle of length 54. - Zak Seidov, May 09 2006. (Corrected by N. J. A. Sloane, Aug 02 2009.) LINKS MAPLE rev:=proc(n) local nn: nn:=convert(n, base, 10): add(nn[j]*10^(nops(nn)-j), j= 1..nops(nn)) end proc: a[1]:=3: for n from 2 to 60 do a[n]:=rev(4+a[n-1]) end do: seq(a[n], n=1..60); # Emeric Deutsch, Aug 26 2007 MATHEMATICA NestList[FromDigits[Reverse[IntegerDigits[#+4]]]&, 3, 60] (* Harvey P. Dale, Oct 01 2015 *) CROSSREFS All of A003608, A016081, A016082 (and possibly others) eventually reach the trajectory of 1 shown in A119031. Cf. A055198. Sequence in context: A217383 A005372 A125220 * A287301 A105762 A057469 Adjacent sequences:  A016078 A016079 A016080 * A016082 A016083 A016084 KEYWORD nonn,base AUTHOR EXTENSIONS Corrected and extended by Franklin T. Adams-Watters, Mar 30 2006 Edited by N. J. A. Sloane at the suggestion of Andrew S. Plewe, Aug 23 2007 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 August 6 12:33 EDT 2020. Contains 336246 sequences. (Running on oeis4.)