Number of sequences S of length n with entries in {1,..,q} where q = 3, satisfying the condition that adjacent terms differ in absolute value by exactly 1.
3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1024, 1536, 2048
1 seqfan posts
Sun Sep 13 18:42:04 CEST 2009 [seqfan] Re: Duplicates