65815

Appears in sequences

• a(n) = Sum_{d|n} rad(d)^(n/d), where rad(d) = A007947(d) is the squarefree kernel of d.at n=31A095001
• Multiplies by 2 and shifts right under the XOR BINOMIAL transform (A099901).at n=16A099902
• Stern-Jacobsthal numbers.at n=32A101624
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 817", based on the 5-celled von Neumann neighborhood.at n=39A273648
• Smallest Boolean functions from big equivalence classes representing monotone functions (subsequence of A227723).at n=30A349743
• Triangle read by rows: T(n,k) is the number of strong subtrees of height k in the complete binary tree of height n.at n=19A374839