400995

Appears in sequences

• Odd tetrahedral numbers: a(n) = (4*n+1)*(4*n+2)*(4*n+3)/6.at n=33A015219
• a(n) = (5*n + 3)*(5*n + 4)*(5*n + 5)/6.at n=26A300522
• a(n) = A000292(6*n + 1) where A000292 are the tetrahedral numbers.at n=22A349682