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!)
 A116468 Permutation of natural numbers generated by 2-rowed array shown below. 0
 2, 3, 1, 6, 4, 7, 5, 10, 8, 11, 9, 14, 12, 15, 13, 18, 16, 19, 17, 22, 20, 23, 21, 26, 24, 27, 25, 30, 28, 31, 29, 34, 32, 35, 33, 38, 36, 39, 37, 42, 40, 43, 41, 46, 44, 47, 45, 50, 48, 51, 49, 54, 52, 55, 53, 58, 56, 59, 57, 62, 60, 63, 61, 66, 64, 67 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS 2 3 6 7 10 11 14 15 ... integers congruent to 2 or 3 mod 4 1 4 5 8  9 12 13 16 ... integers congruent to 0 or 1 mod 4 REFERENCES M. Cerasoli, F. Eugeni and M. Protasi, Elementi di Matematica Discreta, Bologna 1988 Emanuele Munarini and Norma Zagaglia Salvi, Matematica Discreta,UTET, CittaStudiEdizioni, Milano 1997 LINKS Index entries for linear recurrences with constant coefficients, signature (1,0,0,1,-1). FORMULA For n>2, a(n+4k) = a(n) + 4k, with k>=1. G.f.: x*(2+x-2*x^2+5*x^3-4*x^4+2*x^5)/(1-x-x^4+x^5). - Philippe Deléham, Dec 02 2016 CROSSREFS Cf. A090964. Sequence in context: A263294 A205112 A173161 * A110237 A189970 A076631 Adjacent sequences:  A116465 A116466 A116467 * A116469 A116470 A116471 KEYWORD easy,nonn AUTHOR Giovanni Teofilatto, Mar 17 2006 EXTENSIONS Terms corrected by R. J. Mathar, Oct 25 2011 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 January 22 07:47 EST 2021. Contains 340360 sequences. (Running on oeis4.)