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A183054 h(-24*n+1) where h(d) is the class number of the quadratic field with discriminant d. 3

%I

%S 3,5,7,8,10,10,11,13,14,15,13,14,19,18,19,17,16,21,20,25,21,18,26,3,

%T 25,22,23,30,24,31,21,22,32,30,33,21,29,31,28,36,27,30,35,36,34,23,3,

%U 41,5,38,35,26,40,36,45,34,25,44,34,39,32,37,49,38,51,33

%N h(-24*n+1) where h(d) is the class number of the quadratic field with discriminant d.

%C First differs from A188569 at a(24). It appears that this coincides with A188569 in a large number of terms. - _Omar E. Pol_, Feb 20 2013

%t Table[NumberFieldClassNumber[Sqrt[-24*n + 1]], {n, 100}] (* _T. D. Noe_, Jul 15 2011 *)

%Y Cf. A188569.

%K nonn

%O 1,1

%A _Omar E. Pol_, Jul 14 2011

%E More terms and new definition suggested by _David Scambler_, Jul 15 2011

%E Extended by _T. D. Noe_, Jul 15 2011

%E Edited by _Omar E. Pol_, Feb 26 2013

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Last modified May 20 20:15 EDT 2022. Contains 353876 sequences. (Running on oeis4.)