29022

Appears in sequences

• Given the infinite continued fraction (1+i)+((1+i)/(1+i)+((1+i)/((1+i)+...)))), where i is the square root of (-1), this is the numerator of the real part of the convergents.at n=11A093725
• a(n) is a non-palindromic composite located between twin primes whose reverse, which is less than it, is also located between twin primes.at n=25A103741
• Elements of A103741 that do not terminate in a zero digit.at n=7A103764
• Number of (n+1) X 3 0..3 arrays with the number of equal 2 X 2 subblock diagonal pairs and equal antidiagonal pairs differing from each horizontal or vertical neighbor, and new values 0..3 introduced in row major order.at n=2A205425
• Number of (n+1) X 4 0..3 arrays with the number of equal 2 X 2 subblock diagonal pairs and equal antidiagonal pairs differing from each horizontal or vertical neighbor, and new values 0..3 introduced in row major order.at n=1A205426
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the number of equal 2X2 subblock diagonal pairs and equal antidiagonal pairs differing from each horizontal or vertical neighbor, and new values 0..3 introduced in row major order.at n=7A205431
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the number of equal 2X2 subblock diagonal pairs and equal antidiagonal pairs differing from each horizontal or vertical neighbor, and new values 0..3 introduced in row major order.at n=8A205431
• Carlitz compositions of n into odd parts.at n=33A218694
• Lexicographically earliest infinite sequence of envelope numbers that are inserted into the largest possible envelopes (see the Comments and the Crossrefs sections).at n=2A323143
• Least b > 1 such that (b^(prime(n)^2) - 1)/(b^prime(n) - 1) is prime.at n=48A353101
• Number of regions formed inside a triangle with edge length 1 by the straight line segments mutually connecting all vertices and points that divide the sides into segments with lengths equal to the Farey series of order n = A006842(n,k)/A006843(n,k), k = 1..A005728(n).at n=5A358948