98820

Appears in sequences

• a(n) = n^4 - n^3 - n^2.at n=18A132998
• Number of n-colorings of the 4 X 4 X 4 triangular grid.at n=5A182789
• Square array A(n,k), n>=1, k>=1, read by antidiagonals: A(n,k) is the number of n-colorings of the k X k X k triangular grid.at n=32A182797
• Numbers k such that k +- 2 and k +- 3 are all semiprimes.at n=25A382049
• Primitive terms of A388022: numbers k that satisfy sigma(k) AND 3*k = 3*k, but none of whose proper divisors satisfy the same condition.at n=23A388025