1193537

Properties

Appears in sequences

• Smallest prime p such that n = A049108(p) = length of chain of iterates of Euler Phi starting with p.at n=20A060611
• Number of (n+1) X (2+1) 0..1 arrays with every element equal to some horizontal, diagonal or antidiagonal neighbor, with top left element zero.at n=6A232070
• T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with every element equal to some horizontal, diagonal or antidiagonal neighbor, with top left element zero.at n=34A232076
• Number of (7+1)X(n+1) 0..1 arrays with every element equal to some horizontal, diagonal or antidiagonal neighbor, with top left element zero.at n=1A232083
• Prime numbersat n=92479