22779

Appears in sequences

• Powers of fifth root of 23 rounded to nearest integer.at n=16A018181
• Powers of fifth root of 23 rounded up.at n=16A018182
• Numbers n such that n is a substring of its square in base 6 (written in base 10).at n=39A018830
• Descending dungeons: like A121295 but read subscripts from top downwards.at n=11A121296
• Smallest precursor of n-th cycle in the "Recurring Digital Invariant Variant" problem.at n=28A151543
• Triangle of coefficients of polynomials u(n,x) jointly generated with A210748; see the Formula section.at n=41A210747
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 133", based on the 5-celled von Neumann neighborhood.at n=32A270234
• Irregular table read by rows, T(n, k) is the rank of the k-th Seidel permutation of {1,...,n}, permutations sorted in lexicographical order.at n=40A347600
• Indices of records in A361321.at n=47A361326
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) = n! * k! * [x^n * y^k] 1 / (exp(x) + exp(y) - exp(x+y))^3.at n=40A382735
• a(n) = Sum_{k=0..n} (k!)^2 * binomial(k+2,2) * Stirling2(n,k)^2.at n=4A382738