Smallest k such that S(n) = d(n+k), where S(n) is the Kempner function (A002034) and d(n) is the number of divisors of n (A000005).

A073331

Smallest k such that S(n) = d(n+k), where S(n) is the Kempner function (A002034) and d(n) is the number of divisors of n (A000005).

Terms

    a(0) =1a(1) =1a(2) =2a(3) =11a(4) =3a(5) =57a(6) =2a(7) =3a(8) =6a(9) =1013a(10) =2a(11) =4083a(12) =50a(13) =1a(14) =2a(15) =65519a(16) =2a(17) =262125a(18) =61a(19) =43a(20) =1002a(21) =4194281a(22) =2a(23) =23a(24) =4070a(25) =9a(26) =36a(27) =268435427a(28) =51a(29) =1073741793

External references