290816

Appears in sequences

• Number of labeled rooted trimmed trees with n nodes.at n=7A052318
• Triangular matrix T, read by rows, that satisfies: T = D + SHIFT_LEFT(T^2) where SHIFT_LEFT shifts each row 1 place to the left and D is the diagonal matrix {1, 2, 3, ...}.at n=31A107667
• Matrix square of triangle A107667.at n=32A107670
• Numbers with 26 divisors.at n=18A137489
• Numbers that are not the sum of two squares and two fourth powers.at n=25A214891
• Triangular array read by rows. T(n,k) is the number of rooted labeled trees on n nodes with exactly k vertices whose unique descendent is a leaf, n >= 1, 0 <= k <= floor((n-1)/2) + delta_{2,n}.at n=17A284417
• 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 453", based on the 5-celled von Neumann neighborhood.at n=18A288368