64607

Appears in sequences

• Records in A109734.at n=23A109739
• Number of nX7 0..3 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors.at n=1A231838
• T(n,k)=Number of nXk 0..3 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors.at n=29A231839
• Number of 2Xn 0..3 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors.at n=6A231840
• Permutation of natural numbers: a(n) = A243283(A122111((2*n)-1)).at n=44A244984
• a(n) = Position of 2^n among the numbers which are divisible by the square of their highest noncomposite factor (i.e., the union of {1} and A070003), 0 if not there.at n=24A244986
• 2^n+1 appears in A109732 at position a(n).at n=11A261414
• Numbers k such that the odd part of (1+k) divides (1+A003961(k)), where A003961 is fully multiplicative with a(p) = nextprime(p).at n=47A387411