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 A258282 #8 Apr 03 2017 10:05:45 %S A258282 1,1,5,7,20,31,75,118,266,401,841,1345,2581,4023,7758,11932,21543, %T A258282 33941,59099,91816,159059,242955,407523,634827,1032202,1576276, %U A258282 2572429,3888631,6177754,9400070,14665453,22055721,34349618,51033150,78166821,116800290,176090572 %N A258282 Number of partitions of 4 copies of n into distinct parts. %H A258282 Alois P. Heinz, <a href="/A258282/b258282.txt">Table of n, a(n) for n = 7..100</a> %F A258282 a(n) = 1/4! * [(x*y*z*u)^n] Product_{j>0} (1+x^j+y^j+z^j+u^j). %e A258282 a(9) = 5: [9;8,1;7,2;6,3], [9;8,1;7,2;5,4], [9;8,1;6,3;5,4], [9;7,2;6,3;5,4], [8,1;7,2;6,3;5,4]. %Y A258282 Column k=4 of A258280. %K A258282 nonn %O A258282 7,3 %A A258282 _Alois P. Heinz_, May 25 2015