17180065792
domain: N
Appears in sequences
- Number of strings of length n over GF(4) with trace 0 and subtrace 0.at n=18A073995
- Number of strings of length n over GF(4) with trace 1 and subtrace 1.at n=18A073998
- Number of binary pattern classes in the (2,n)-rectangular grid; two patterns are in same class if one of them can be obtained by reflection or rotation of the other one.at n=17A132390
- Number of binary pattern classes in the (2,n)-rectangular grid: two patterns are in same class if one of them can be obtained by a reflection or 180-degree rotation of the other.at n=18A225826
- Number of binary pattern classes in the (6,n)-rectangular grid: two patterns are in the same class if one of them can be obtained by a reflection or 180-degree rotation of the other.at n=6A225830
- a(n) = 2^(n-2)*(2^(n+4)-(-1)^n+13).at n=16A240526
- Triangle read by rows: T(n,m) is the number of pattern classes in the (n,m)-rectangular grid with 8 colors and n>=m, two patterns are in the same class if one of them can be obtained by a reflection or 180-degree rotation of the other.at n=23A286919