46090

Appears in sequences

• a(n) = A027082(n, n+4).at n=11A027086
• Sum of the squares of the first n squarefree numbers.at n=38A111715
• Demi-tribonacci numbers (rounding down): a(0)=a(1)=0, a(2)=2; a(n) = floor( (a(n-1)+a(n-2)+a(n-3))/2 ).at n=55A180234
• Expansion of Product_{k>=0} (1 + x^(5*k+4))^(5*k+4).at n=50A285340
• a(n) is the number of permutations on [n] with at least one strong fixed point and at least one small descent.at n=8A346204