175096

Appears in sequences

• G.f.: Sum_{n>=0} ((1+x)^n - 1)^n / (1+x)^(n^2).at n=7A220352
• Number of (n+1)X(1+1) 0..3 arrays colored with the difference of the maximum and the upper median in each 2X2 subblock.at n=3A236113
• Number of (n+1)X(4+1) 0..3 arrays colored with the difference of the maximum and the upper median in each 2X2 subblock.at n=0A236116
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the difference of the maximum and the upper median in each 2X2 subblock.at n=6A236118
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the difference of the maximum and the upper median in each 2X2 subblock.at n=9A236118
• The total length of the sequence when starting from n and creating the smallest unused prime number by either removing or adding a single digit anywhere in the value of the previous number. If the sequence does not terminate, a(n) = -1.at n=16A389927