This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A004487 #16 Oct 26 2023 08:32:50 %S A004487 6,7,8,1,9,10,3,4,5,13,0,2,16,17,18,12,20,14,15,11,24,25,26,27,21,29, %T A004487 30,19,32,31,22,23,36,37,38,28,33,41,42,43,44,45,34,35,48,49,50,39,40, %U A004487 53,54,55,56,57,46,47,60,61,62,51,52,65 %N A004487 Sprague-Grundy values for game of Wyt Queens. %C A004487 Inverse of sequence A064211 considered as a permutation of the positive integers. - _Howard A. Landman_, Sep 25 2001 %D A004487 E. R. Berlekamp, J. H. Conway and R. K. Guy, Winning Ways, Academic Press, NY, 2 vols., 1982, see p. 76. %H A004487 A. Dress, A. Flammenkamp and N. Pink, <a href="http://dx.doi.org/10.1006/aama.1998.0632">Additive periodicity of the Sprague-Grundy function of certain Nim games</a>, Adv. Appl. Math., 22, pp. 249-270 (1999). %H A004487 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %Y A004487 This sequence is row 6 of table A004481. %K A004487 nonn,easy %O A004487 0,1 %A A004487 _N. J. A. Sloane_ %E A004487 More terms from _Howard A. Landman_