45318

Appears in sequences

• Number of triangular regions in regular n-gon with all diagonals drawn.at n=39A062361
• (k^2)-th k-smooth number for k = prime(n).at n=27A133581
• a(n) = 18522*n - 10248.at n=2A157731
• a(n) = a(n-1) + a(n-2) - [a(n-4)/4] - [a(n-5)/2] - [a(n-6)/4].at n=27A173597
• Weighted sum of all cyclic subgroups of prime order in the Alternating group.at n=8A181955
• Smallest m, such that there are exactly n solutions of the equation (m+k)' = m' + k', where 1 <= k <= 2*m and x' = A003415(x), the arithmetic derivative of x.at n=14A258138
• Numbers k such that k is the average of four consecutive primes k-11, k-1, k+1 and k+11.at n=33A259025
• Sum of the 2nd smallest parts of all the partitions of n (2nd smallest part is defined to be 0 when the partition does not have at least 2 distinct parts).at n=34A265248
• Members of A014574 with sum of prime factors (with multiplicity) also in A014574.at n=26A349455
• Products of 5 distinct primes that are sandwiched between twin prime numbers.at n=28A376380