518665

Appears in sequences

• Odd tetrahedral numbers: a(n) = (4*n+1)*(4*n+2)*(4*n+3)/6.at n=36A015219
• Number of n-digit base 4 biquanimous numbers (with leading 0's allowed, but not all-0 string).at n=9A064671
• Triangle, read by rows, T(n, k) = binomial(n*binomial(n, floor((n-k)/2)), k).at n=31A157109
• a(n) = (5*n + 5)*(5*n + 6)*(5*n + 7)/6.at n=28A300523
• Number of 4-member subsets of [4*n] whose elements sum to a multiple of n.at n=37A318625
• a(n) = A000292(6*n + 1) where A000292 are the tetrahedral numbers.at n=24A349682