a(n) is the least odd composite number m such that nextprime(p*m) > p*nextprime(m) where p is the n-th prime.

A117103

a(n) is the least odd composite number m such that nextprime(p*m) > p*nextprime(m) where p is the n-th prime.

Terms

    a(0) =27a(1) =39a(2) =105a(3) =279a(4) =629a(5) =597a(6) =1661a(7) =1875a(8) =3777a(9) =13961a(10) =15491a(11) =33585a(12) =87401a(13) =11445a(14) =28877a(15) =113451a(16) =265115a(17) =146189a(18) =584705a(19) =668525a(20) =1370667a(21) =1582581a(22) =1471865a(23) =2193351a(24) =2932901a(25) =3832635a(26) =3571617a(27) =3617721a(28) =15131459a(29) =31245831

External references