Smallest tetrahedral number m*(m+1)*(m+2)/6 that is divisible by n.

Terms

a(0) =1a(1) =4a(2) =84a(3) =4a(4) =10a(5) =84a(6) =35a(7) =56a(8) =2925a(9) =10a(10) =165a(11) =84a(12) =286a(13) =56a(14) =120a(15) =560a(16) =680a(17) =3276a(18) =969a(19) =20a(20) =84a(21) =220a(22) =1771a(23) =120a(24) =2300a(25) =286a(26) =85320a(27) =56a(28) =3654a(29) =120