418285

Appears in sequences

• a(n) = binomial(n+2,2)*binomial(n+5,2).at n=33A105938
• Square array A(n, k) read by antidiagonals downwards: smallest base-n Fermat pseudoprime with k distinct prime factors for k, n >= 2.at n=17A271873
• a(n) is the smallest number m with n divisors d such that d^m mod m = d.at n=19A371513
• a(n) is the least k that has exactly n proper divisors d such that (-d)^k == -d (mod k).at n=19A380393
• Numbers such that the sum of prime factors without repetition divides the product of prime factors without repetition and each division yields a greater quotient.at n=37A380487