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 A270303 #16 Feb 04 2021 18:12:08 %S A270303 304,608,1216,2432,4864,5776,6992,8816,9424,9728,11248,11552,12464, %T A270303 13072,13984,14288,16112,17632,17936,18544,18848,19456,20368,21584, %U A270303 22192,22496,23104,24016,24928,25232,26144,27056,27968,28576,29488,30704,31312,32224,32528 %N A270303 Numbers which are representable as a sum of nineteen but no fewer consecutive nonnegative integers. %H A270303 Ray Chandler, <a href="/A270303/b270303.txt">Table of n, a(n) for n = 1..10000</a> %F A270303 A163169(a(n)) = 19. - _Ray Chandler_, Mar 22 2016 %F A270303 a(n) == 0 (mod 304). - _Hugo Pfoertner_, Feb 04 2021 %e A270303 190 = 1 + 2 + 3 + ... + 17 + 18 + 19 = 46 + 47 + 48 + 49 (not in sequence); %e A270303 304 = 7 + 8 + 9 + ... + 23 + 24 + 25; %e A270303 608 = 23 + 24 + 25 + ... + 39 + 40 + 41; %e A270303 1216 = 55 + 56 + 57 + ... + 71 + 72 + 73. %Y A270303 Cf. A138591, A270296, A270297, A270298, A270299, A270300, A270301, A270302. %K A270303 nonn %O A270303 1,1 %A A270303 _Martin Renner_, Mar 14 2016