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a(n) = number of modules with n elements over the ring of integers in the real quadratic field of discriminant 33.
0

%I #5 Mar 21 2022 11:13:01

%S 1,2,1,5,0,2,0,10,2,0,1,5,0,0,0,20,2,4,0,0,0,2,0,10,1,0,3,0,2,0,2,36,

%T 1,4,0,10,2,0,0,0,2,0,0,5,0,0,0,20,1,2,2,0,0,6,0,0,0,4,0,0,0,4,0,65,0,

%U 2,2,10,0,0,0,20,0,4,1,0,0,0,0,0,5,4,2,0,0,0,2,10,0,0,0,0,2,0,0,36,2,2,2,5,2,4,2,0,0,0,2,15,0,0,2,0,0,0

%N a(n) = number of modules with n elements over the ring of integers in the real quadratic field of discriminant 33.

%C See A352550 for comments and PARI code.

%Y Cf. A038540, A038541, A248107, A352550-A352567.

%K nonn

%O 1,2

%A _N. J. A. Sloane_, Mar 20 2022