57808

Appears in sequences

• Total number of palindromic primes in base 4 below 4^n.at n=18A117777
• Total number of palindromic primes in base 4 below 4^n.at n=19A117777
• Number of arrangements of n+2 nonzero numbers x(i) in -2..2 with the sum of x(i)*x(i+1) equal to zero.at n=7A188242
• T(n,k)=Number of arrangements of n+2 nonzero numbers x(i) in -k..k with the sum of x(i)*x(i+1) equal to zero.at n=43A188249
• Number of arrangements of 10 nonzero numbers x(i) in -n..n with the sum of x(i)*x(i+1) equal to zero.at n=1A188256
• Number of 2:3:sqrt(13) proportioned triangles on a (n+1)X(n+1) grid.at n=24A190112
• Number of compositions of n that have at least 1 part equal to 1 and any part 1 at position k can be k different colors.at n=8A382992