67797

Appears in sequences

• Let A(n) = #{(i,j): i^2 + j^2 <= n}, V(n) = Pi*n, P(n) = A(n) - V(n); A000099 gives values of n where |P(n)| sets a new record; sequence gives A(A000099(n)).at n=40A000323
• Odd numbers divisible by exactly 8 primes (counted with multiplicity).at n=22A046321
• T(n,n-3), array T as in A054120.at n=25A054121
• Numbers that have exactly eight prime factors counted with multiplicity (A046310) whose digit reversal is different and also has 8 prime factors (with multiplicity).at n=9A109028
• Number of (w,x,y,z) with all terms in {1,...,n} and w<2x and y<=3z.at n=18A212509
• Number of (n+2)X3 0..2 matrices with each 3X3 subblock having the same population.at n=1A224654
• Number of (n+2)X4 0..2 matrices with each 3X3 subblock having the same population.at n=0A224655
• T(n,k)=Number of (n+2)X(k+2) 0..2 matrices with each 3X3 subblock having the same population.at n=1A224658
• T(n,k)=Number of (n+2)X(k+2) 0..2 matrices with each 3X3 subblock having the same population.at n=2A224658
• Expansion of (1+x+x^2) / (1-4*x-4*x^2-x^3).at n=7A275906
• a(n) = 2*a(n-1) + a(n-3) with initial terms 1,3,5.at n=14A285184