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 A176575 #2 Mar 31 2012 13:23:39 %S A176575 1,10,36,42,136,146,170,292,528,546,586,682,1092,1170,2080,2114,2184, %T A176575 2186,2340,2346,2730,4228,4370,4706,8256,8322,8456,8458,8738,8740, %U A176575 8746,9362,9386,10922,16644,16912,16914,17476,17482,18724,18730,32896,33026 %N A176575 Second edge diagonal of table A176577. (The first edge diagonal is A099627). %C A176575 Sequence A176575 can be useful in reconstructing table A176577. %C A176575 Consider, for example, diagonal 10 18 21 34 37 43 66 69 75 ... %C A176575 the highest power of two less than 10 is 8 and 10-8 is 2 (the "residual"). %C A176575 Construct the sequence 10,18,34,66,... by doubling each term and subtracting %C A176575 the residual. The remaining terms are formed by using the rule "2x+1": %C A176575 10..18..34..66.. %C A176575 21..37..69.. %C A176575 43..75.. %C A176575 87.. %e A176575 A176577 begins %e A176575 1 %e A176575 2...10 %e A176575 3...18...36 %e A176575 4...21...68...42 %e A176575 5...34...73...74..136 %e A176575 7...37..132...85..264..146 %e A176575 so a(n) begins: %e A176575 1..10..36..42..136..146.. %Y A176575 Cf. A099627 A176577 %K A176575 nonn,uned %O A176575 1,2 %A A176575 _Alford Arnold_, May 13 2010