200906

Appears in sequences

• A simple grammar: union of cycles and cycles of cycles.at n=8A052828
• Number of (n+1)X(2+1) 0..2 arrays colored with the difference of the upper median and the minimum in each 2X2 subblock.at n=4A236059
• Number of (n+1)X(5+1) 0..2 arrays colored with the difference of the upper median and the minimum in each 2X2 subblock.at n=1A236062
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the difference of the upper median and the minimum in each 2X2 subblock.at n=16A236065
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the difference of the upper median and the minimum in each 2X2 subblock.at n=19A236065
• Positive integers m such that pi(k^3) + pi(m^3) is a cube for some k = 1,...,m, where pi(x) denotes the number of primes not exceeding x.at n=26A262698