-3748

Appears in sequences

• A sequence related to the recurrence relations of the right hand columns of the EG1 triangle A162005.at n=9A162011
• a(n) = n^2 - (n-1)^2 - (n-2)^2 - ... - 1^2.at n=23A179297
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 443", based on the 5-celled von Neumann neighborhood.at n=39A272228