53268

Appears in sequences

• Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,51.at n=15A064262
• Number of ways to place zero or more nonadjacent 1,0 1,1 2,1 3,1 4,2 4,3 4,4 5,4 polyhexes in any orientation on a planar nXnXn triangular grid.at n=8A155393
• Numbers k such that in a rotated-square spiral with positive integers (A215468) among k's eight nearest neighbors five or more are primes.at n=20A215471
• Coefficients of mock modular form H_2^(7) of type 1A, divided by 4.at n=37A256057
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 475", based on the 5-celled von Neumann neighborhood.at n=7A272448
• Number of integer partitions of n such that for some part k the multiplicity of k exceeds k.at n=43A387578