A variant of Recaman's sequence: a(0)=1, a(n) = a(n-1)-(n-1) if positive and new, else a(n) = a(n-1)+(n-1).
1, 1, 2, 4, 7, 3, 8, 14, 21, 13, 22, 12, 23, 11, 24, 10, 25, 9, 26, 44, 63, 43, 64, 42, 19
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
14 seqfan posts
Fri Nov 26 10:41:18 CET 2010 [seqfan] a(n) is the a(n)th absolute first difference of S
Fri Mar 12 22:23:40 CET 2010 [seqfan] Re: seqs whose |differences| are 1,2,3,4,...
Fri Mar 12 21:40:10 CET 2010 [seqfan] Re: seqs whose |differences| are 1,2,3,4,...
Fri Mar 12 04:22:02 CET 2010 [seqfan] Re: seqs whose |differences| are 1,2,3,4,...
Fri Mar 12 03:04:10 CET 2010 [seqfan] Re: seqs whose |differences| are 1,2,3,4,...
Fri Mar 12 00:11:51 CET 2010 [seqfan] Re: seqs whose |differences| are 1,2,3,4,...
Fri Mar 12 00:00:44 CET 2010 [seqfan] Re: seqs whose |differences| are 1,2,3,4,...
Wed Mar 10 21:08:28 CET 2010 [seqfan] Re: seqs whose |differences| are 1,2,3,4,...
Wed Mar 10 18:31:03 CET 2010 [seqfan] Re: seqs whose |differences| are 1,2,3,4,...
Tue Mar 9 21:46:56 CET 2010 [seqfan] Re: seqs whose |differences| are 1,2,3,4,...
Tue Mar 9 21:44:56 CET 2010 [seqfan] Re: seqs whose |differences| are 1,2,3,4,...
Tue Mar 9 18:19:42 CET 2010 [seqfan] Re: seqs whose |differences| are 1,2,3,4,...
Tue Mar 9 18:19:42 CET 2010 [seqfan] Re: seqs whose |differences| are 1,2,3,4,...
Tue Mar 9 17:39:06 CET 2010 [seqfan] seqs whose |differences| are 1,2,3,4,...
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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