This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A378956 #17 Jan 03 2025 09:36:51 %S A378956 47,163,243,277,421,365,358,937,417,439,1186,596,1074,1305,677,633, %T A378956 1453,1579,757,1499,904,939,3066,952,1542 %N A378956 a(n) is the number of imaginary biquadratic fields with class number 2*n-1. %C A378956 There are finitely many imaginary biquadratic fields given a class number. %H A378956 J. M. Basilla and I. A. C. Fajardo, <a href="https://doi.org/10.5666/KMJ.2024.64.2.303">Imaginary bicyclic biquadratic number fields with class number 5</a>, Kyungpook Math. J. 64(2) (2024), 303-309. %H A378956 E. Brown and C. J. Parry, <a href="https://eudml.org/doc/151422">The imaginary bicyclic biquadratic fields with class-number 1</a>, J. Reine Angew. Math. 266(1974), 118-120. %H A378956 S. W. Jung and S. H. Kwon, <a href="https://bkms.kms.or.kr/journal/view.html?uid=1233">Determination of all imaginary bicyclic biquadratic number fields of class number 3</a>, Bull. Korean Math. Soc. 35(1) (1998), 83-89. %e A378956 For n=1, there are a(1)=47 imaginary biquadratic fields with class number 1. %e A378956 For n=2, there are a(2)=163 imaginary biquadratic fields with class number 3. %Y A378956 Cf. A159456. %K A378956 nonn,more %O A378956 1,1 %A A378956 _Iana Angela C. Fajardo_, Dec 12 2024