a(n) = the smallest multiple of the n-th prime such that (a(n)-1) is divisible by both the (n-1)th prime and the (n+1)st prime.

A143244

a(n) = the smallest multiple of the n-th prime such that (a(n)-1) is divisible by both the (n-1)th prime and the (n+1)st prime.

Terms

    a(0) =21a(1) =85a(2) =56a(3) =638a(4) =936a(5) =3706a(6) =4693a(7) =552a(8) =12122a(9) =13950a(10) =21608a(11) =57277a(12) =52030a(13) =4559a(14) =77645a(15) =16166a(16) =221369a(17) =60635a(18) =44020a(19) =375804a(20) =339305a(21) =316396a(22) =104664a(23) =844967a(24) =379659a(25) =140492a(26) =752210a(27) =495732a(28) =1536574a(29) =1376680

External references