146898
domain: N
Appears in sequences
- Sets of 4 numbers in arithmetic progression with common difference 6 and whose phi values are equal.at n=22A039670
- Number of polyhexes with 24 hexagons, C_(2v) symmetry and containing n carbon atoms.at n=26A123284
- a(n) = 121*n^2 - 38*n + 3.at n=34A157443
- Triangular array P*(2*I - P^2)^-1, where P is Pascal's triangle A007318 and I is the identity matrix.at n=22A162313
- Number of nX2 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4.at n=12A240279