Smallest integer m = b*c which satisfies (b + c)*n = m - 1.

Terms

a(0) =6a(1) =21a(2) =40a(3) =105a(4) =126a(5) =301a(6) =204a(7) =273a(8) =550a(9) =1221a(10) =936a(11) =697a(12) =690a(13) =3165a(14) =2176a(15) =4641a(16) =1242a(17) =1333a(18) =4200a(19) =8841a(20) =1786a(21) =3213a(22) =2508a(23) =15025a(24) =9126a(25) =18981a(26) =3700a(27) =6105a(28) =13950a(29) =3901