175120

Appears in sequences

• Structured truncated icosahedral numbers.at n=21A100154
• a(n) = n*(n + 1)*(n^2 - n + 3)/6.at n=32A257055
• Number of n X 5 0..2 arrays with no element equal to any value at offset (-2,-2) (-1,-2) or (0,-1) and new values introduced in order 0..2.at n=6A275139
• Number of 7Xn 0..2 arrays with no element equal to any value at offset (-2,-2) (-1,-2) or (0,-1) and new values introduced in order 0..2.at n=4A275147