238680

Appears in sequences

• a(n) = (2*n-1)*(3*n-1)*(4*n-1)*(5*n-1).at n=7A033590
• a(n) = n-th sept-factorial number divided by 6.at n=4A034833
• Sum of divisors of numbers containing in their decimal representation only the digits 0 and 1.at n=39A077810
• Numbers that have exactly nine prime factors counted with multiplicity (A046312) whose digit reversal is different and also has 9 prime factors (with multiplicity).at n=21A109029
• Numbers with prime factorization pqrs^3t^3.at n=12A190385
• a(n) = sigma_3(n)*Pell(n), where sigma_3(n) = A001158(n), the sum of cubes of divisors of n.at n=7A204273
• Number of partitions of 4n into distinct parts with equal sums of odd and even parts.at n=35A255001
• Factorial base Niven numbers (A118363) with a record gap to the next factorial base Niven number.at n=23A347495
• Numbers whose infinitary divisors have a mean infinitary abundancy index that is larger than 2.at n=28A374788