Third differences of the Jacobsthal sequence A001045.
3, 2, 4, 0, 8, 8, 24, 40, 88, 168, 344, 680, 1368, 2728, 5464, 10920, 21848, 43688
2 seqfan posts
Sat Dec 5 10:09:05 CET 2009 [seqfan] Re: A001045 General form: k=2^n-k
Sat Dec 5 04:05:23 CET 2009 [seqfan] A001045 General form: k=2^n-k
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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