28492
domain: N
Appears in sequences
- Euler transform of Thue-Morse sequence A001285.at n=26A029877
- Number of -n..n arrays x(0..3) of 4 elements with zero sum and no two consecutive zero elements.at n=16A199531
- Number of (n+1) X (2+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).at n=8A234876
- 9-step Fibonacci sequence starting with 0,0,1,0,0,0,0,0,0.at n=24A251751
- Number of n-digit undulating alternating primes.at n=9A343676
- Numbers k such that (prime(j)-1)^2 + 1 is prime for k <= j <= k + 2.at n=22A376522
- a(n) is the number of dissections of a (4*n+2)-gon into hexagons using strictly disjoint diagonals.at n=7A387202