117670

Appears in sequences

• Numbers k such that n | sigma_10(k) + phi(k)^10.at n=20A055704
• Numbers k such that core(k) = b(k,1)*b(k,0) where b(k,1) is the number of 1's in binary representation of k, b(k,0) the number of 0's and core(k) the squarefree part of k.at n=12A071639
• Vassiliev invariant of fourth order for the torus knots.at n=20A180324
• a(n) = n^2*(n*(4*n + 3) + 3*n*(-1)^n - 4)/96.at n=40A302758
• Unitary weird numbers (A064114) that are not weird numbers (A006037).at n=11A328562
• Infinitary weird numbers (A306984) whose number of divisors is not a power of 2.at n=11A335936
• Bi-unitary weird numbers (A292986) that are not exponentially odd numbers (A268335).at n=10A335939
• Numbers k such that k*A001414(k)+1 is the square of a prime.at n=43A343141