24-gonal numbers: a(n) = n*(11*n-10).

Terms

a(0) =0a(1) =1a(2) =24a(3) =69a(4) =136a(5) =225a(6) =336a(7) =469a(8) =624a(9) =801a(10) =1000a(11) =1221a(12) =1464a(13) =1729a(14) =2016a(15) =2325a(16) =2656a(17) =3009a(18) =3384a(19) =3781a(20) =4200a(21) =4641a(22) =5104a(23) =5589a(24) =6096a(25) =6625a(26) =7176a(27) =7749a(28) =8344a(29) =8961