186516
domain: N
Appears in sequences
- a(n) = ChebyshevT(3, n).at n=36A144129
- Number of nX3 0..3 arrays with diagonals and rows unimodal and antidiagonals nondecreasing.at n=3A224276
- T(n,k)=Number of nXk 0..3 arrays with diagonals and rows unimodal and antidiagonals nondecreasing.at n=18A224281
- Number of 4Xn 0..3 arrays with diagonals and rows unimodal and antidiagonals nondecreasing.at n=2A224283
- Discriminants of totally real cubic fields with 2 associated nonconjugate fields.at n=36A329786