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 A270300 #16 Feb 04 2021 18:12:51 %S A270300 104,208,416,832,1352,1664,1768,1976,2392,2704,3016,3224,3328,3536, %T A270300 3848,3952,4264,4472,4784,4888,5408,5512,6032,6136,6344,6448,6656, %U A270300 6968,7072,7384,7592,7696,7904,8216,8528,8632,8944,9256,9568,9776,10088,10504,10712 %N A270300 Numbers which are representable as a sum of thirteen but no fewer consecutive nonnegative integers. %H A270300 Ray Chandler, <a href="/A270300/b270300.txt">Table of n, a(n) for n = 1..10000</a> %F A270300 A163169(a(n)) = 13. - _Ray Chandler_, Mar 22 2016 %F A270300 a(n) == 0 (mod 104). - _Hugo Pfoertner_, Feb 04 2021 %e A270300 90 = 1 + 2 + 3 + ... + 11 + 12 + 13 = 29 + 30 + 31 (not in sequence); %e A270300 104 = 2 + 3 + 4 + ... + 12 + 13 + 14; %e A270300 208 = 10 + 11 + 12 + ... + 20 + 21 + 22; %e A270300 416 = 26 + 27 + 28 + ... + 36 + 37 + 38. %Y A270300 Cf. A138591, A270296, A270297, A270298, A270299, A270301, A270302, A270303. %K A270300 nonn %O A270300 1,1 %A A270300 _Martin Renner_, Mar 14 2016