This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A064743 A064413(n) written in base of primes, read from right to left, written as a string. 4
 0, 1, 2, 11, 10, 20, 12, 3, 101, 100, 110, 21, 1001, 1000, 1010, 13, 4, 102, 10001, 10000, 10010, 30, 111, 200, 1100, 1002, 100001, 100000, 100010, 22, 5, 1000001, 1000000, 1000010, 1011, 10000001, 10000000, 10000010, 120, 103, 10002 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS J. C. Lagarias, E. M. Rains and N. J. A. Sloane, The EKG sequence, Exper. Math. 11 (2002), 437-446. EXAMPLE A064413(12) = 18 = 3^2*2^1, so a(12) = 21. CROSSREFS Of course this "string" representation will not work once A064413 reaches 1024. See also A064744. Cf. A064740, A064741, A064742, A064744. Sequence in context: A025536 A162155 A163344 * A109868 A153521 A153650 Adjacent sequences:  A064740 A064741 A064742 * A064744 A064745 A064746 KEYWORD nonn AUTHOR N. J. A. Sloane, Oct 18 2001 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 March 25 10:23 EDT 2019. Contains 321470 sequences. (Running on oeis4.)