2506752

Appears in sequences

• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 902", based on the 5-celled von Neumann neighborhood.at n=21A290666
• (1/2) times the sum of the elements of all subsets of [n] whose sum is divisible by two.at n=17A309294
• Number of pairs of 2 X 2 matrices (X,Y) over Z/nZ such that X*Y = 0 and Y*X <> 0.at n=15A338099