30819

Appears in sequences

• Smallest of 5 consecutive integers divisible respectively by 5 consecutive primes.at n=16A072730
• Number of partitions of n into two sorts of parts having exactly 4 parts of the second sort.at n=13A258474
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1) + b(n-2), where a(0) = 1, a(1) = 2, b(0) = 3, and (a(n)) and (b(n)) are increasing complementary sequences.at n=17A294550
• a(n) = Sum_{k=1..n} (n/gcd(k,n))^gcd(k,n).at n=23A342422