Least positive integer k such that prime(k*n) - prime(k+n) is a square.
A257663
Least positive integer k such that prime(k*n) - prime(k+n) is a square.
Terms
- a(0) =2a(1) =24a(2) =57a(3) =32a(4) =388a(5) =37a(6) =15a(7) =28a(8) =97a(9) =67a(10) =112a(11) =137a(12) =654a(13) =8a(14) =37a(15) =33a(16) =1092a(17) =1479a(18) =3390a(19) =15a(20) =77a(21) =63a(22) =3a(23) =676a(24) =36a(25) =183a(26) =9a(27) =2a(28) =252a(29) =341
External references
- oeis: A257663