87555
domain: N
Appears in sequences
- a(n) is the solution to the postage stamp problem with 6 denominations and n stamps.at n=22A001211
- Place two n-gons with radii 1 and 2 concentrically, forming an annular area between them. Connect all the vertices with line segments that lie entirely within that area. Then a(n) is the number of regions in that figure.at n=36A337700
- Numbers with five neighboring primes on the hexagonal spiral board of odd numbers.at n=34A345654