cp's OEIS Frontend

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.

A347911 A 4 X 4 pandiagonal magic square read by rows: the entries have digits which are only 0's and 1's and form a magic square in any base b >= 2.

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%I A347911 #129 Dec 05 2021 00:17:20
%S A347911 11111,10001,1011,101,1001,111,11101,10011,10101,11011,1,1111,11,1101,
%T A347911 10111,11001
%N A347911 A 4 X 4 pandiagonal magic square read by rows: the entries have digits which are only 0's and 1's and form a magic square in any base b >= 2.
%C A347911 The magic square is:
%C A347911   [ 11111  10001   1011    101 ]
%C A347911   [  1001    111  11101  10011 ]
%C A347911   [ 10101  11011      1   1111 ]
%C A347911   [    11   1101  10111  11001 ]
%C A347911 The magic sum of any row, column or diagonal is:
%C A347911   1000000 (base 2),
%C A347911    100001 (base 3),
%C A347911     22230 (base 4),
%C A347911     22224 (base 5 and above).
%H A347911 <a href="/index/Mag#magic">Index entries for sequences related to magic squares</a>
%Y A347911 Cf. A099821, A348269.
%K A347911 nonn,fini,full
%O A347911 1,1
%A A347911 _Chittaranjan Pardeshi_, Oct 07 2021