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 A284384 #6 Mar 26 2017 11:52:09 %S A284384 0,1,1,2,3,4,6,7,10,11,14,15,18,19,23,24,29,30,35,36,41,42,47,48,53, %T A284384 54,60,61,68,69,76,77,84,85,92,93,100,101,108,109,116,117,125,126,135, %U A284384 136,145,146,155,156,165,166,175,176,185,186,195,196,205,206,215,216 %N A284384 Alternate A167381(n), A167381(n) + 1. %C A284384 The first differences (a(n+1) - a(n)) are b(n) = 1, 0, 1, 1, 1, 2, 1, 3, 1, 3, 1, 3, 1, 4, 1, 5, 1, 5, 1, 5, 1, 5, 1, 5, 1, 6, 1, 7, 1, 7, ... . %C A284384 b(2n+1) = 0, 1, 2, 3, 3, 3, 4, 5, 5, 5, 5, 5, 6, 7, 7, 7, 7, 7, 7, 7, 8, ... = %C A284384 0, 1, %C A284384 2, 3, 3, 3 %C A284384 4, 5, 5, 5, 5, 5, %C A284384 6, 7, 7, 7, 7, 7, 7, 7, %C A284384 ... %C A284384 = 2*n followed by 2*n+1 times 2*n+1 (by rows) = A282692(n)? %C A284384 = A284359(n) - 1. %Y A284384 Cf. A005408, A167381, A282692, A284359. %K A284384 nonn %O A284384 0,4 %A A284384 _Paul Curtz_, Mar 26 2017