51917

Appears in sequences

• Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 11.at n=28A051976
• Smallest m such that A258062(m) = n.at n=32A258063
• T(n,k)=Number of nXk 0..3 arrays with every repeated value in every row greater than or equal to, and in every column greater than, the previous repeated value.at n=28A267974
• Number of 1 X n 0..3 arrays with every repeated value in every row greater than or equal to, and in every column greater than, the previous repeated value.at n=7A267975
• T(n,k) = number of n X k 0..3 arrays with every repeated value in every row and column greater than or equal to the previous repeated value.at n=28A267997
• T(n,k) = number of n X k 0..3 arrays with every repeated value in every row and column greater than or equal to the previous repeated value.at n=35A267997
• T(n,k)=Number of length-n 0..k arrays with no repeated value greater than the previous repeated value.at n=52A269435
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 294", based on the 5-celled von Neumann neighborhood.at n=8A271136