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Triangle read by rows in which row n contains Fib(1), ..., Fib(n-1), Fib(n), Fib(n-1), ..., Fib(1).
2

%I #1 Jun 12 2004 03:00:00

%S 1,1,1,1,1,1,2,1,1,1,1,2,3,2,1,1,1,1,2,3,5,3,2,1,1,1,1,2,3,5,8,5,3,2,

%T 1,1,1,1,2,3,5,8,13,8,5,3,2,1,1,1,1,2,3,5,8,13,21,13,8,5,3,2,1,1,1,1,

%U 2,3,5,8,13,21,34,21,13,8,5,3,2,1,1,1,1,2,3,5,8,13,21,34,55,34,21,13,8,5,3,2,1,1

%N Triangle read by rows in which row n contains Fib(1), ..., Fib(n-1), Fib(n), Fib(n-1), ..., Fib(1).

%e Triangle begins:

%e 1

%e 1 1 1

%e 1 1 2 1 1

%e 1 1 2 3 2 1 1

%e 1 1 2 3 5 3 2 1 1

%e 1 1 2 3 5 8 5 3 2 1 1

%Y Row sums are in A001911. Cf. A094103.

%K nonn,tabf

%O 1,7

%A Alysia Veenhof (ladyluck1899(AT)hotmail.com), May 05 2004