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 A122795 #9 Jun 02 2025 00:30:57 %S A122795 1,3,10,22,39,57,80,108,141,179,222,270,319,373,432,496,565,639,718, %T A122795 802,891,985,1080,1180,1285,1395,1510,1630,1755,1885,2020,2160,2305, %U A122795 2455,2610,2766,2927,3093,3264,3440,3621,3807,3998,4194,4395,4601,4812,5028,5249,5475,5706,5938,6175,6417,6664,6916,7173,7435,7702,7974,8251,8533,8820,9112,9409,9711,10018,10330,10647,10969 %N A122795 Connell (5,3)-sum sequence (partial sums of the (5,3)-Connell sequence). %H A122795 Grady D. Bullington, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL10/Bullington/bullington7.html">The Connell Sum Sequence</a>, J. Integer Seq. 10 (2007), Article 07.2.6. (includes direct formula for a(n)) %H A122795 Douglas E. Iannucci and Donna Mills-Taylor, <a href="http://www.cs.uwaterloo.ca/journals/JIS/IANN/iann1.html">On Generalizing the Connell Sequence</a>, J. Integer Sequences, Vol. 2, 1999, #99.1.7. %F A122795 a(n) = (n-th triangular number)-n+(n-th partial sum of A122798). %Y A122795 Cf. A045929, A001614, A045928, A045930. %Y A122795 Cf. A122793, A122794, A122796, A122797, A122798, A122799, A122800. %K A122795 nonn,easy %O A122795 1,2 %A A122795 Grady Bullington (bullingt(AT)uwosh.edu), Sep 14 2006