32023

Appears in sequences

• Octal palindromes which are also primes.at n=32A006341
• Composite numbers in A083137.at n=10A083138
• a(n) = ceiling( 1/2 + (Sum_{i=0..n-1}C(n,i)*C(n,i+1))/2^(n+1) ).at n=17A099779
• Palindromic primes in base 4 (written in base 4).at n=14A117699
• Palindromic cyclops numbers.at n=29A138131
• Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,0 3,1 4,1 5,1 6,1 polyhexes in any orientation on a planar nXnXn triangular grid.at n=7A155384
• a(n) = (2*n^3 + 5*n^2 - 11*n)/2.at n=30A162257
• Number of (w,x,y) with all terms in {0,...,n} and |w-x|+|x-y|+|y-w| != w+x+y.at n=31A213485
• Palindromic composite numbers starting with a digit 3.at n=30A222726
• Palindromes with no palindromic aliquot parts except 1.at n=26A257973