78975

Appears in sequences

• a(n) = n*(n+1)*(n+2)^2/6.at n=25A004320
• a(n) = 225*(n-1)*(n-2)/2.at n=25A027470
• Odd numbers divisible by exactly 8 primes (counted with multiplicity).at n=25A046321
• Larger central (or median) divisor of n!.at n=12A060777
• Duplicate of A060777.at n=12A061056
• Lesser of two consecutive numbers each divisible by a fifth power.at n=21A068783
• Highest m such that prime(m) divides the n-th pandigital (A050278).at n=16A071924
• Odd numbers k such that abs(sigma(k)-2k) <= sqrt(k). Abundance-radius = abs(sigma(k)-2k) does not exceed square root of k and k is odd.at n=28A087415
• Odd numbers n such that abs(sigma(n)-2n) <= n^(1/3). Abundance-radius = abs(sigma(n)-2n) does not exceed cubic root of n and n is odd.at n=9A088010
• Odd admirable numbers: such that sigma(n) = 2n + 2d for some d | n.at n=14A109729
• Admirable numbers such that the subtracted divisor is prime.at n=10A109766
• Dimensions of the irreducible representations of the simple Lie algebra of type E6 over the complex numbers, listed in increasing order.at n=22A121737
• Least odd primitive abundant number with 3^n as a divisor, but not 3^(n+1).at n=5A133688
• a(n) = (9/2)*(n-1)*(n-2)*(n-3).at n=27A134171
• Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 00100-00100-11111-00100 pattern in any orientation.at n=13A147331
• Irregular triangle of odd primitive abundant numbers (A006038) in which row n has numbers with n distinct prime factors.at n=4A188439
• The hyper-Wiener index of the Kneser graph K(n,2) (n>=5).at n=22A228307
• Integers k such that k and k+1 are products of 8 primes.at n=1A268469
• Least odd primitive abundant number with n prime factors, counted with multiplicity.at n=3A275449
• Numbers k whose abundance is 26: sigma(k) - 2*k = 26.at n=4A275701