437989

Appears in sequences

• Odd tetrahedral numbers: a(n) = (4*n+1)*(4*n+2)*(4*n+3)/6.at n=34A015219
• Lexicographically earliest sequence of pairwise coprime tetrahedral numbers.at n=5A076818
• p*(p+1)*(p+2)/6 where (p,p+2) are twin primes.at n=10A126249
• a(n) = binomial(prime(n+2), 3).at n=32A126995
• Tetrahedral numbers k*(k+1)*(k+2)/6 such that exactly two of k, k+1, and k+2 are prime.at n=12A152916
• Number of 4-member subsets of [4*n] whose elements sum to a multiple of n.at n=35A318625
• Tetrahedral numbers that are not divisible by any smaller tetrahedral number except 1.at n=34A318701
• Tetrahedral numbers which are products of three distinct primes.at n=10A356095