A109239 - OEIS

%I #12 Jul 06 2020 02:13:24

%S 4,8,12,1,16,20,25,2,29,33,37,3,41,46,50,5,54,58,62,6,67,71,75,79,7,

%T 83,88,92,9,96,100,104,10,109,113,117,11,121,125,130,13,134,138,142,

%U 146,14,151,155,159,15,163,167,171,17,176,180,184,18,188,192

%N Self-inverse integer permutation induced by Beatty sequences for (e^2+1)/(e^2-1) and (e^2+1)/2.

%C a(n) = A164088(n) for n <= 26. [_Reinhard Zumkeller_, Aug 11 2009]

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/BeattySequence.html">Beatty Sequence</a>

%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>

%H <a href="/index/Be#Beatty">Index entries for sequences related to Beatty sequences</a>

%F a(A109237(n))=A109238(n) and a(A109238(n))=A109237(n).

%Y Cf. A109233, A109236, A109237, A109238.

%K nonn

%O 1,1

%A _Reinhard Zumkeller_, Jun 23 2005