64848

Appears in sequences

• Numbers n such that phi(sigma(n)) = 5*phi(n).at n=13A067708
• An Alexander sequence for the knot 8_12.at n=7A099455
• Number of (n+1)X(2+1) 0..3 arrays with 2X2 subblock sums lexicographically nondecreasing rowwise and nonincreasing columnwise.at n=1A235414
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with 2X2 subblock sums lexicographically nondecreasing rowwise and nonincreasing columnwise.at n=4A235416