76880

Appears in sequences

• 4-dimensional pyramidal numbers: a(n) = n^2*(n^2-1)/12.at n=31A002415
• a(n) = 4^n + 7^n + 9^n.at n=5A074569
• Integers that are Rhonda numbers to base 6.at n=15A100969
• a(n) = (prime(n)^4 - prime(n)^2)/12.at n=10A138422
• Numbers whose sum of proper square divisors is a palindrome in base 10 having at least two digits.at n=9A232892
• Numbers whose sum of square divisors is a palindrome in base 10 having at least two digits.at n=3A232893
• a(n) = n*(n + 1)*(17*n - 14)/6.at n=30A237617
• Number of 3-cycles in the n X n black bishop graph.at n=31A289161
• Row sums of the triangle A322550.at n=29A320043
• a(n) = (1/12)*n^2*(3*(1 + n^2) - 2*(2 + n^2)*(n mod 2)).at n=31A322844
• Array read by descending antidiagonals: A(n,k) is the number of chiral pairs of colorings of the edges of a regular n-dimensional simplex using up to k colors.at n=31A327085
• Number of chiral pairs of colorings of the edges (or triangular faces) of a regular 4-dimensional simplex with n available colors.at n=4A331352
• Array read by descending antidiagonals: T(n,k) is the number of chiral pairs of colorings of the triangular faces of a regular n-dimensional simplex using k or fewer colors.at n=23A337885
• Number of 4-cycles in the n X n white bishop graph.at n=30A367993
• a(n) = (A084218(n) - 1)/12.at n=30A373040