22069
domain: N
Appears in sequences
- a(n) = floor(n*phi^16), where phi is the golden ratio, A001622.at n=10A004931
- Numbers m such that the positive values of m - A002110(k) are all primes (k > 0).at n=42A068372
- Positive numbers y such that y^2 is of the form x^2+(x+839)^2 with integer x.at n=6A159896
- Positive numbers y such that y^2 is of the form x^2+(x+761)^2 with integer x.at n=7A160200
- G.f.: Sum_{n>=0} n!*x^(n*(n+1)/2) / Product_{k=1..n} (1 - (n-k+1)*x^k).at n=13A204857
- Number of minimal dominating sets in the n-ladder graph.at n=13A290379
- a(n) is the number of vertices formed by n-secting the angles of a nonagon (enneagon).at n=41A335782