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 A073521 #20 May 03 2025 23:19:07 %S A073521 31,37,41,43,47,53,59,61,67,71,73,79,83,89,97,101 %N A073521 The set of 16 consecutive primes with the property that they form a 4 X 4 magic square with the smallest magic constant (258). %D A073521 Allan W. Johnson, Jr., Journal of Recreational Mathematics, vol. 14:2, 1981-82, pp. 152-153. %D A073521 Clifford A. Pickover, The Zen of Magic Squares, Circles and Stars: An Exhibition of Surprising Structures across Dimensions, Princeton University Press, 2002. %H A073521 Harvey Heinz, <a href="http://www.magic-squares.net/primesqr.htm">Prime Magic Squares</a> %H A073521 Bill McEachen, <a href="/A073521/a073521.txt">Python program</a> %H A073521 <a href="/index/Mag#magic">Index entries for sequences related to magic squares</a> %e A073521 The magic square is %e A073521 [ 37 83 97 41 ] %e A073521 [ 53 61 71 73 ] %e A073521 [ 89 67 59 43 ] %e A073521 [ 79 47 31 101 ] %o A073521 (PARI) A073521=MagicPrimes(258,4) \\ See A073519 for MagicPrimes(). - _M. F. Hasler_, Oct 28 2018 %Y A073521 Cf. A073519, A073520, A073522, A073523. %K A073521 nonn,fini,full %O A073521 1,1 %A A073521 _N. J. A. Sloane_, Aug 29 2002