24897
domain: N
Appears in sequences
- (Prime(prime(n))^2-1)/24.at n=31A092772
- Number of partitions of n having no parts with multiplicity 9.at n=38A184644
- T(n,k)=Number of length n+3 0..k arrays with no consecutive four elements summing to more than 2*k.at n=37A241964
- Number of length 2+3 0..n arrays with no consecutive four elements summing to more than 2*n.at n=7A241965
- Number of essentially different ways of arranging the numbers 1 through 2n around a circle so that the sum of each pair of adjacent numbers is semiprime.at n=7A253202
- a(n) = 3*n*(9*n - 1)/2.at n=43A268351
- a(n) is the row of the Trithoff (tribonacci) array that contains the tails of the sequence which is n times the tribonacci numbers.at n=31A351685
- a(n) is the row number of the Trithoff (tribonacci) array where we can find the tail of the following sequence: apply the difference operator n times to the tribonacci sequence.at n=15A354215
- Pentagonal numbers which are products of three distinct primes.at n=27A381650