114205

Appears in sequences

• Expansion of 1/(1-x^2-2*x^3).at n=30A052947
• Expansion of (1-x)/((1-x)^2 - 4*x^3).at n=15A097117
• Expansion of (1 + x)^2 / ((1 - x^2 - 2*x^3)*(1 + x^4)).at n=28A107849
• Expansion of x^2/(1-x^2-2*x^3).at n=32A159287
• Diagonal sums of the Riordan array (1-4*x+4*x^2, x*(1-2*x)) (A167431).at n=26A167434
• The Ze2 sums of the Pell-Jacobsthal triangle A013609.at n=10A180678
• Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,0,1,1,1 for x=0,1,2,3,4.at n=5A197277
• Number of n X 6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,0,1,1,1 for x=0,1,2,3,4.at n=4A197278
• T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 2,0,1,1,1 for x=0,1,2,3,4.at n=49A197280
• T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 2,0,1,1,1 for x=0,1,2,3,4.at n=50A197280
• Number of length-n 0..n arrays with no repeated value differing from the previous repeated value by plus or minus one modulo n+1.at n=5A269683
• Number of length-n 0..6 arrays with no repeated value differing from the previous repeated value by plus or minus one modulo 6+1.at n=5A269688
• Number of length-6 0..n arrays with no repeated value differing from the previous repeated value by plus or minus one modulo n+1.at n=5A269692
• Numbers k such that N = k^6 is a twin rank (cf. A002822: 6N +- 1 are twin primes).at n=27A326236