23493

Appears in sequences

• Number of planar triangular n X n X n nonnegative integer grids with mirror symmetry about one altitude with every similarly oriented 5 X 5 X 5 subtriangle summing to 10.at n=2A154081
• Last term where no prime sums occur in A161190 in a 4-diagonal set of 24 terms.at n=13A161193
• a(n) = n*(14*n - 1).at n=41A195024
• Number of partitions of n such that each part is no more than 3 more than the sum of all smaller parts.at n=38A286929
• G.f. A(x) satisfies A(x) = 1 / ((1 + x) * (1 - x * A(x^3))).at n=46A367693