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%I #10 Dec 22 2023 12:51:42
%S 12,10656,6262080,4583049300,3172546876500,1799561912439312,
%T 747208691021333376,207556530641358183360,36509426066350663265700,
%U 4057698689067050461472940,296245251637717304580959808,14987935907592332503472128488,553418104530158445362464783740
%N Number of n X n arrays of squares of integers summing to 23.
%C All such sequences have holonomic recurrences (cf. comment in A159359). - _Georg Fischer_, Feb 17 2022
%H R. H. Hardin, <a href="/A159411/b159411.txt">Table of n, a(n) for n = 2..100</a>
%H Vaclav Kotesovec, <a href="/A159411/a159411.txt">G.f. for A159411</a>
%H <a href="/index/Rec#order_47">Index entries for linear recurrences with constant coefficients</a>, signature (47, -1081, 16215, -178365, 1533939, -10737573, 62891499, -314457495, 1362649145, -5178066751, 17417133617, -52251400851, 140676848445, -341643774795, 751616304549, -1503232609098, 2741188875414, -4568648125690, 6973199770790, -9762479679106, 12551759587422, -14833897694226, 16123801841550, -16123801841550, 14833897694226, -12551759587422, 9762479679106, -6973199770790, 4568648125690, -2741188875414, 1503232609098, -751616304549, 341643774795, -140676848445, 52251400851, -17417133617, 5178066751, -1362649145, 314457495, -62891499, 10737573, -1533939, 178365, -16215, 1081, -47, 1).
%F G.f.: see link above. - _Vaclav Kotesovec_, Dec 04 2012
%K nonn
%O 2,1
%A _R. H. Hardin_, Apr 11 2009
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