141280
domain: N
Appears in sequences
- Triangle read by rows: number of k-ary n-tuples (a_1,..,a_n) such that the string a_1...a_n is preprime.at n=27A215474
- Number of n-ary n-tuples (a_1,...,a_n) such that the string a_1...a_n is preprime.at n=6A215475
- The number of irreducible balanced subsets of [n].at n=39A389802
- a(n) = A389802(2*n).at n=19A389804