109384

Appears in sequences

• Number of 5-step one space at a time bishop's tours on an n X n board summed over all starting positions.at n=35A187158
• a(n) = number of n-lettered words in the alphabet {1, 2, 3, 4} with as many occurrences of the substring (consecutive subword) [1, 1] as of [2, 3].at n=9A211305
• Number of (w,x,y,z) with all terms in {1,...,n} and |x-y|<|y-z|.at n=22A212681
• Numbers that are values of the totient function (A002202) but not of the reduced totient function (A002174).at n=36A270265