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 A190150 #16 Sep 14 2017 15:38:47 %S A190150 18,34,38,50,66,68,70,74,78,82,98,102,114,130,132,134,138,140,142,146, %T A190150 150,154,158,162,166,178,194,196,198,202,206,210,226,230,242,258,260, %U A190150 262,264,266,268,270,274,276,278,282,284,286,290,294,298,302,306,310,314,318,322,324,326,330,334,338,354,358,370,386,388,390,394,396,398,402,406 %N A190150 A190149 converted to base 10. %H A190150 D. Applegate, M. LeBrun and N. J. A. Sloane, <a href="http://arxiv.org/abs/1107.1130">Dismal Arithmetic</a> [Note: we have now changed the name from "dismal arithmetic" to "lunar arithmetic" - the old name was too depressing] %H A190150 D. Applegate, M. LeBrun, N. J. A. Sloane, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL14/Sloane/carry2.html">Dismal Arithmetic</a>, J. Int. Seq. 14 (2011) # 11.9.8. %H A190150 <a href="/index/Di#dismal">Index entries for sequences related to dismal (or lunar) arithmetic</a> %Y A190150 Cf. A188548, A190149, A190151. %K A190150 base,nonn %O A190150 1,1 %A A190150 _N. J. A. Sloane_, May 05 2011