Total area of all squares and rectangles in the toothpick structure as it is after n steps (see A139250).
0, 0, 0, 4, 8, 8, 12, 32, 48, 48, 52, 6
2 seqfan posts
Thu Jun 11 01:00:39 CEST 2009 [seqfan] Re: Toothpick sequences (again)
Fri Jun 5 00:25:37 CEST 2009 [seqfan] Re: Toothpick sequences (again)
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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