First differences of Y-toothpick numbers A160120.
1, 3, 3, 9, 3, 9, 9, 21, 9, 9, 9, 21, 15, 21, 27, 51, 27, 9, 9, 21, 15, 21, 27, 51, 33, 21, 27
6 seqfan posts
Thu Jun 11 01:17:18 CEST 2009 [seqfan] Re: Toothpick sequences (again) (from Richard Mathar by way of admin)
Fri Jun 5 02:53:01 CEST 2009 [seqfan] Re: Toothpick sequences (again) (from Richard Mathar by way of admin)
Thu Jun 4 07:49:25 CEST 2009 [seqfan] Re: Toothpick sequences (again) (from Richard Mathar by way of admin)
Thu Jun 4 06:03:44 CEST 2009 [seqfan] Re: Toothpick sequences (again) (from Richard Mathar by way of admin)
Tue Jun 2 17:03:03 CEST 2009 [seqfan] Re: Toothpick sequences (again) (from Richard Mathar by way of admin)
Thu May 28 02:34:32 CEST 2009 [seqfan] Toothpick sequences (again)
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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