27151

Appears in sequences

• Molien series for cyclic group of order 5.at n=40A008646
• Number of strings of numbers x(i=1..6) in 0..n with sum i*x(i)^2 equal to n*36.at n=18A184445
• Number of necklaces with n white beads and 8*n black beads.at n=5A261502
• (1/9) times the number of n-member subsets of [9n] whose elements sum to a multiple of n.at n=4A309188
• a(n) is the numerator of the probability that the free polyomino with binary code A246521(n+1) appears in a version of the Eden growth model on the square lattice, when n square cells have been added.at n=49A367671
• a(n) is the numerator of the probability that a particular one of the A335573(n+1) fixed polyominoes corresponding to the free polyomino with binary code A246521(n+1) appears in the version of the Eden growth model described in A367671 when n square cells have been added.at n=49A367675