2*n-1+(-1)^n.
0, 4, 4, 8, 8, 12, 12, 16, 16, 20, 20, 24, 24, 28, 28, 32, 32, 36, 36, 40, 40, 44, 44, 48
2 seqfan posts
Tue Dec 1 05:51:12 CET 2009 [seqfan] Re: Duplicated "A*n+B" sequences
Mon Nov 30 11:32:49 CET 2009 [seqfan] Duplicated "A*n+B" sequences
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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