26029

Properties

Appears in sequences

• Primes p such that p, p+12, p+24 are consecutive primes.at n=26A052188
• Least j > 1 such that j^2 = (4*n^2 + 2)*(k^2) + (4*n^2 + 2)*k + 1.at n=18A106231
• Expansion of 1/(1-x-x^2+x^9-x^11).at n=22A147660
• The Wiener index of the graph \|/_\/_\/_..._\/_\|/ having n nodes on the horizontal path.at n=22A180571
• Number of nX3 1..5 arrays with every element value z a city block distance of exactly z from another element value z.at n=3A209022
• T(n,k)=Number of nXk 1..5 arrays with every element value z a city block distance of exactly z from another element value z.at n=17A209023
• T(n,k)=Number of nXk 1..5 arrays with every element value z a city block distance of exactly z from another element value z.at n=18A209023
• Number of nX3 1..6 arrays with every element value z a city block distance of exactly z from another element value z.at n=3A209057
• T(n,k)=Number of nXk 1..6 arrays with every element value z a city block distance of exactly z from another element value z.at n=17A209058
• T(n,k)=Number of nXk 1..6 arrays with every element value z a city block distance of exactly z from another element value z.at n=18A209058
• Number of nX3 1..7 arrays with every element value z a city block distance of exactly z from another element value z.at n=3A209214
• T(n,k)=Number of nXk 1..7 arrays with every element value z a city block distance of exactly z from another element value z.at n=17A209215
• T(n,k)=Number of nXk 1..7 arrays with every element value z a city block distance of exactly z from another element value z.at n=18A209215
• 2*n^3 - 313*n^2 + 6823*n - 13633.at n=14A218456
• a(0)=2; for n>0, a(n) = smallest prime not occurring earlier in the sequence such that a(n-1)+a(n) is a multiple of n^2. If no such prime exists, the sequence terminates.at n=43A224223
• Number of (n+1)X(2+1) 0..2 arrays with every element both >= and <= some horizontal or vertical neighbor.at n=2A232118
• Number of (n+1)X(3+1) 0..2 arrays with every element both >= and <= some horizontal or vertical neighbor.at n=1A232119
• T(n,k) = Number of (n+1) X (k+1) 0..2 arrays with every element both >= and <= some horizontal or vertical neighbor.at n=7A232124
• T(n,k) = Number of (n+1) X (k+1) 0..2 arrays with every element both >= and <= some horizontal or vertical neighbor.at n=8A232124
• Prime numbers that have a decagonal (10 sides) Voronoi cell in the Voronoi diagram of the Ulam prime spiral.at n=5A257748