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 A350835 #6 Jan 18 2022 05:59:18 %S A350835 1,4,16,25,49,54,64,121,169,256,289,250,361,484,529,625,676,841,961, %T A350835 686,1024,1156,1369,1350,1444,1372,1681,1849,2058,2116,2209,2401,1458, %U A350835 2809,3364,2916,3481,3721,3844,4096,4489,4624,5041,2662,5329,5476,5776,5832,6241,6724 %N A350835 Area of the unique integer-sided rectangle with width W, length L, and semiperimeter S_n = L + W, such that L | W*S_n, where S_n = A350804(n). %H A350835 <a href="/index/Par#part">Index entries for sequences related to partitions</a> %e A350835 a(6) = 54; 54 is the area of the unique 6 X 9 rectangle with semiperimeter A350804(6) = 15 = 6+9, such that 9 | 6*15 = 90. %Y A350835 Cf. A338021, A350803, A350804. %K A350835 nonn %O A350835 1,2 %A A350835 _Wesley Ivan Hurt_, Jan 17 2022