28173

Appears in sequences

• T(n,n+3), array T as in A047040; T(n+3,n), array T given by A047050.at n=8A047048
• Number of planar n X n X n binary triangular grids symmetric under 120 degree rotation with no more than 2 ones in any 3 X 3 X 3 subtriangle.at n=5A153911
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 446", based on the 5-celled von Neumann neighborhood.at n=29A288338
• Maximal coefficient of (1 - x) * (1 - x^4) * (1 - x^9) * ... * (1 - x^(n^2)).at n=52A369728
• Maximum of the absolute value of the coefficients of (1 - x) * (1 - x^4) * (1 - x^9) * ... * (1 - x^(n^2)).at n=52A369986
• a(n) is the smallest k such that the sum of the first k primes has exactly n prime factors, counting multiplicity.at n=17A385997