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 A373104 #38 Jun 01 2024 20:59:04 %S A373104 0,1,3,7,16,28,54,90,151,235,366,554,818,1191,1707,2395,3363,4638, %T A373104 6329,8585,11526,15338,20348,26750,34946,45414,58751,75503,96713, %U A373104 123252,156356,197683,248934,312197,390456,486471,604181,748284,924026,1137591,1397085 %N A373104 Sum of all distinct multiplicities in the partitions of 2n into n parts. %F A373104 a(n) = A373272(2n,n). %e A373104 a(4) = 16 = 4 + (1+2) + 2 + (1+2) + (1+3): 2222, 3221, 3311, 4211, 5111. %Y A373104 Cf. A373272. %K A373104 nonn %O A373104 0,3 %A A373104 _Alois P. Heinz_, Jun 01 2024