A202695 - OEIS

%I #13 Oct 20 2014 17:15:13

%S 1,0,1,5,5,4,0,5,10,14,205,205,200,190,176

%N The first of a set of three triangles constructed by the same rule as A202692-A202694, but where the top entries in the three triangles are 1,0,0 respectively.

%H M. Josuat-Verges, J.-C. Novelli and J.-Y. Thibon, <a href="http://arxiv.org/abs/1110.5272">The algebraic combinatorics of snakes</a>, arXiv preprint arXiv:1110.5272, 2011

%e The triangle begins:

%e 1

%e 0 1

%e 5 5 4

%e 0 5 10 14

%e 205 205 200 190 176

%e ...

%e The three triangles together:

%e 1                      0                      0

%e 0 1                    1 1                    1 1

%e 5 5 4                  4 3 2                  2 1 0

%e 0 5 10 14              14 18 21 23            23 25 26 26

%e 205 205 200 190 176    176 162 144 123 100    100 77 52 26 0

%Y The three triangles are A202695, A202696, A202697.

%K nonn,tabl,more

%O 1,4

%A _N. J. A. Sloane_, Dec 23 2011