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 A026373 #6 Apr 16 2023 20:49:20 %S A026373 5,13,25,61,85,144,180,262,310,362,418,539,607,751,831,915,1003,1186, %T A026373 1286,1492,1604,1720,1840,2085,2217,2485,2629,2920,3076,3390,3558, %U A026373 3730,3906,4259,4447,4823,5023,5227,5435,5850,6070 %N A026373 a(n) = sum of the numbers between the two n's in A026370. %Y A026373 Cf. A026370. %K A026373 nonn %O A026373 1,1 %A A026373 _Clark Kimberling_