a(n) is the smallest prime in the interval [k*sqrt(k), k*sqrt(k+2)], where k = A001359(n), or a(n)=0 if there is no prime in this interval.

A247867

a(n) is the smallest prime in the interval [k*sqrt(k), k*sqrt(k+2)], where k = A001359(n), or a(n)=0 if there is no prime in this interval.

Terms

    a(0) =0a(1) =13a(2) =37a(3) =71a(4) =157a(5) =263a(6) =457a(7) =599a(8) =1019a(9) =1109a(10) =1607a(11) =1823a(12) =2399a(13) =2647a(14) =2767a(15) =3433a(16) =3697a(17) =4421a(18) =4721a(19) =5501a(20) =6469a(21) =8581a(22) =8951a(23) =9901a(24) =11897a(25) =13577a(26) =14669a(27) =15329a(28) =16229a(29) =16921

External references