References to A174395

The number of different 4-colorings for the vertices of all triangulated planar polygons on a base with n vertices if the colors of two adjacent boundary vertices are fixed.
0, 2, 10, 40, 140, 462, 147


4 seqfan posts

Sat Mar 20 13:25:30 CET 2010    [seqfan] Re: A174397 and primes with negative value.
Sat Mar 20 13:03:39 CET 2010    [seqfan] Re: A174397 and primes with negative value.
Sat Mar 20 12:58:12 CET 2010    [seqfan] Re: A174397 and primes with negative value.
Sat Mar 20 05:21:21 CET 2010    [seqfan] Re: A174397 and primes with negative value.

Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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