55482

Appears in sequences

• Shifts left 2 places under "CGK" (necklace, element, unlabeled) transform.at n=21A032162
• Squarefree numbers sandwiched between two brilliant numbers.at n=11A085706
• Number of maximal matchings among labeled trees on n nodes.at n=6A097171
• Number of permutations of {1,2,...,n} containing exactly 4 occurrences of the 132 pattern.at n=5A138162
• Largest number which requires n iterations of the bi-unitary totient function (A116550) to reach 1.at n=26A225175
• a(n) is the permanent of the symmetric Toeplitz matrix of order n whose element (i,j) equals abs(i-j) or 1 if i = j.at n=6A374140