66416

Appears in sequences

• Sum{T(n-k,k)}, 0<=k<=[ n/2 ], T given by A026659.at n=22A026669
• Number of digits in A090162(n).at n=6A100022
• Number of evolutionary duplication-loss-histories of the complete binary species tree with 4 leaves.at n=4A307941
• a(n) is the largest integer k such that there is an integer m with exactly n nonunitary prime factors and m + A005117(i) is squarefree for 1 <= i <= k.at n=30A390138