62010
domain: N
Appears in sequences
- Number of n X 1 0..4 arrays with each element equal to the number its horizontal and vertical neighbors less than itself.at n=14A196423
- a(n) is the least number such that the concatenation of all the previous terms with it is squarefree and has n prime factors. a(0)=0.at n=13A309234
- G.f.: Sum_{n>=0} (n+1) * x^n * (1 + x^n)^n / (1 + x^(n+1))^(n+2).at n=64A326285