55437

Appears in sequences

• Number of permutations of 1..n with displacements restricted to {-5,-4,-1,0,2,3}.at n=13A189591
• Integers m such that sigma(m) + sigma(m+1) + sigma(m+2) - sigma(m+3) <= 0, where sigma is the sum of divisors.at n=10A348698
• a(n) = (8*n^3 + 12*n^2 + 4*n - 9)/3.at n=26A358035
• Number of subsets of {1..n} with all different first differences of elements.at n=24A364465
• G.f. satisfies A(x) = 1 + x*A(x)^3 + x^3*A(x)^4.at n=8A367060