205478

Appears in sequences

• Number of nonempty subsets of {1,2,...,n} in which exactly 1/4 of the elements are <= (n+2)/3.at n=21A048074
• Number of nonempty subsets of {1,2,...,n} in which exactly 1/4 of the elements are <= (n+3)/3.at n=21A048085
• Starts of runs of 3 consecutive base phi Niven numbers (A334308).at n=18A334310