25529
domain: N
Appears in sequences
- Number of irreducible representations of the symmetric group S_n such that their degree is divisible by 3.at n=37A061569
- Numbers with 3 or more prime factors (with multiplicity) such that every concatenation of their prime factors is prime.at n=30A217264
- Numbers n such that the sum of the heptagonal numbers H(n), H(n+1) and H(n+2) is equal to the sum of three consecutive squares.at n=2A251769
- Number of nX4 0..1 arrays with each 1 adjacent to 0 or 2 king-move neighboring 1s.at n=5A295777
- Number of nX6 0..1 arrays with each 1 adjacent to 0 or 2 king-move neighboring 1s.at n=3A295779
- T(n,k)=Number of nXk 0..1 arrays with each 1 adjacent to 0 or 2 king-move neighboring 1s.at n=39A295781
- T(n,k)=Number of nXk 0..1 arrays with each 1 adjacent to 0 or 2 king-move neighboring 1s.at n=41A295781
- Numbers k such that k, k+2, k+4 are of the form p^2*q where p and q are distinct primes.at n=4A308735
- Number of sets of nonempty words with a total of n letters over n-ary alphabet such that if a letter occurs in the set all predecessors occur at least once.at n=6A319518