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%I #14 Mar 09 2023 09:57:53
%S 0,1,0,1,16,25,16,25,0,1,0,1,16,25,16,25,256,289,256,289,400,441,400,
%T 441,256,289,256,289,400,441,400,441,0,1,0,1,16,25,16,25,0,1,0,1,16,
%U 25,16,25,256,289,256,289,400,441,400,441,256,289,256,289,400,441,400,441,4096,4225
%N Carryless product n X n in base 4.
%H Seiichi Manyama, <a href="/A170985/b170985.txt">Table of n, a(n) for n = 0..4095</a>
%H David Applegate, Marc LeBrun and N. J. A. Sloane, <a href="http://neilsloane.com/doc/carry1.pdf">Carryless Arithmetic (I): The Mod 10 Version</a>.
%H <a href="/index/Ca#CARRYLESS">Index entries for sequences related to carryless arithmetic</a>
%o (PARI) a(n) = fromdigits(Vec(Pol(digits(n, 4))^2)%4, 4); \\ _Seiichi Manyama_, Mar 09 2023
%Y For bases 2 through 10 see A000695, A169999, A170985-A170990 and A059729.
%K nonn,base,look
%O 0,5
%A _N. J. A. Sloane_, Aug 29 2010
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