55058

Appears in sequences

• Number of primitive (aperiodic) reversible string structures with n beads using a maximum of six different colors.at n=9A056335
• Numbers n such that S(n) = 0, where S(n) = (S(n-1) + A000040(n+1))*(-1)^n; S(0)=0, n >= 1.at n=15A131693
• Number of inequivalent (mod D_3) ways to place 4 points on a triangular grid of side n so that they are not vertices of an equilateral triangle with sides parallel to the grid.at n=7A243209
• Prime sieve of Pi.at n=22A245770
• The numbers of people in the "SpellUnder-Down" variant of the Josephus problem such that the last person is freed.at n=10A385513