266805

Appears in sequences

• Numbers with exactly 4 distinct odd prime divisors {3,5,7,11}.at n=29A147577
• Smallest number having exactly n divisors of the form 8*k + 7.at n=13A188226
• Number of nX3 0..2 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value 2-x(i,j).at n=6A230063
• Number of nX7 0..2 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value 2-x(i,j).at n=2A230067
• T(n,k)=Number of nXk 0..2 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value 2-x(i,j).at n=38A230068
• T(n,k)=Number of nXk 0..2 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value 2-x(i,j).at n=42A230068
• Expansion of x*(1+2*x)/((1-2*x)*(1-x+4*x^2)).at n=23A335840
• Odd nonsquares k for which A161942(k) >= k, where A161942 is the odd part of sigma.at n=7A348743
• a(n) is the least number with exactly n divisors of the form 4*k+1.at n=27A364584
• a(n) is the least number with exactly n divisors of the form 4*k+3.at n=26A364585
• Odd nondeficient numbers of the form p^(1+4k) * r^2, where p is prime of the form 1+4m, r > 1, and gcd(p,r) = 1.at n=7A386427