p*(p+1)*(p+2) where (p,p+2) are twin primes.

Terms

a(0) =60a(1) =210a(2) =1716a(3) =5814a(4) =26970a(5) =74046a(6) =215940a(7) =373176a(8) =1061106a(9) =1259604a(10) =2627934a(11) =3374850a(12) =5831820a(13) =7077696a(14) =7762194a(15) =11852124a(16) =13823760a(17) =19682730a(18) =22425486a(19) =30371016a(20) =42143844a(21) =74087580a(22) =80621136a(23) =98610666a(24) =142236126a(25) =185192430