Index of n in A125718, or 0 if n does not occur; A125718(k) = least number congruent to prime(k) (mod k) and not occurring earlier.

A249678

Index of n in A125718, or 0 if n does not occur; A125718(k) = least number congruent to prime(k) (mod k) and not occurring earlier.

Terms

    a(0) =1a(1) =3a(2) =2a(3) =75a(4) =9a(5) =5a(6) =4a(7) =17a(8) =10a(9) =7a(10) =8a(11) =91a(12) =6a(13) =23a(14) =13a(15) =83a(16) =15a(17) =16049a(18) =43a(19) =11a(20) =16a(21) =25a(22) =26a(23) =95a(24) =12a(25) =449a(26) =452a(27) =99a(28) =14a(29) =451

External references