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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A121578 Values m of number pairs (m,n) which yield associated matching times on the clock with interchanged hour and minute hands for corresponding n in A121577. 1
 0, 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 1, 13, 25, 37, 49, 61, 73, 85, 97, 109, 121, 133, 2, 14, 26, 38, 50, 62, 74, 86, 98, 110, 122, 134, 3, 15, 27, 39, 51, 63, 75, 87, 99, 111, 123, 135, 4, 16, 28, 40, 52, 64, 76, 88, 100, 112, 124, 136, 5, 17, 29, 41, 53, 65 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS The pair (m,n) is reflexive, i.e., when n=m, m=n. In fact, for n = 12*i + j, with 0 <= i < 12; 0 <= j < 12, m = i + 12*j. - Lekraj Beedassy, Aug 09 2006 REFERENCES A. P. Domoryad, Mathematical Games and Pastimes, Problem 15 pp. 242;289 Pergamon Press NY 1965. Y. Perelman, Mathematics can be fun, pp. 236-8 Mir Moscow. LINKS Table of n, a(n) for n=1..66. CROSSREFS Cf. A121577. Sequence in context: A094529 A270571 A044852 * A044897 A008594 A033024 Adjacent sequences: A121575 A121576 A121577 * A121579 A121580 A121581 KEYWORD fini,nonn AUTHOR Lekraj Beedassy, Aug 08 2006 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 September 13 04:25 EDT 2024. Contains 375859 sequences. (Running on oeis4.)