Smallest k such that (k+i)*prime(n)# - 1 is prime for i = 0, 1, 2, 3, 4 with prime(n)# = A002110(n) the n-th primorial, n>1.

A277691

Smallest k such that (k+i)*prime(n)# - 1 is prime for i = 0, 1, 2, 3, 4 with prime(n)# = A002110(n) the n-th primorial, n>1.

Terms

    a(0) =1a(1) =12a(2) =710a(3) =267a(4) =159a(5) =164a(6) =76a(7) =90a(8) =16285a(9) =2168a(10) =3832a(11) =7773a(12) =29849a(13) =34731a(14) =1496a(15) =23485a(16) =51130a(17) =17658a(18) =38908a(19) =38639a(20) =270845a(21) =450432a(22) =57050a(23) =145850a(24) =631632a(25) =240947a(26) =398108a(27) =306349a(28) =288481a(29) =410531

External references