28004

Appears in sequences

• Coordination sequence for 10-dimensional cubic lattice.at n=5A008420
• Numbers k such that 115*2^k+1 is prime.at n=14A032407
• Number of points of L1 norm 5 in cubic lattice Z^n.at n=10A035599
• Number of nodes in virtual, "optimal", chordal graphs of diameter 5, degree =n+1.at n=17A067969
• First differences of the dying rabbits sequence A000044.at n=24A191869
• The numbers n in s=n^2 + (n+1)^2 that satisfy the requirement for two consecutive squares c,d with c<d with d-c being the sum of two consecutive squares that c<s<d will give s-c and d-s both being squares.at n=24A192743
• a(n) = (A278399(n)^2 + A278400(n)^2)/2.at n=38A278420
• T(n,k) is the coordination number of the (n+1)-dimensional cubic lattice for radius k; triangle read by rows, n>=0, 0<=k<=n.at n=50A343599
• a(n) = Sum_{k=0..n} binomial(2*n,k) * binomial(3*n-k-1,n-k).at n=5A370099