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Denominators of 1/16-1/m^2 for some m>0, which are of the form (8*k+4)^2, sorted by increasing m.
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%I #13 Oct 15 2014 09:30:55

%S 16,16,144,400,144,784,1296,400,1936,2704,784,3600,4624,1296,5776,

%T 7056,1936,8464,10000,2704,11664,13456,3600,15376,17424,4624,19600,

%U 21904,5776,24336,26896,7056,29584,32400,8464,35344,38416,10000,41616,44944,11664,48400,51984,13456,55696

%N Denominators of 1/16-1/m^2 for some m>0, which are of the form (8*k+4)^2, sorted by increasing m.

%C A permutation of A174994.

%C The list of associated m is 1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15, 17, 18, 19, 21, 22, 23, apparently A042968. [_R. J. Mathar_, Dec 07 2010]

%F Empirical g.f.: -16*x*(x^8+x^7+9*x^6+22*x^5+6*x^4+22*x^3+9*x^2+x+1) / ((x-1)^3*(x^2+x+1)^3). - _Colin Barker_, Oct 15 2014

%K nonn,less

%O 1,1

%A _Paul Curtz_, Dec 06 2010