Numbers incremented by their digit product produce a cube.

Terms

a(0) =0a(1) =4a(2) =85a(3) =168a(4) =184a(5) =212a(6) =368a(7) =549a(8) =681a(9) =919a(10) =999a(11) =1000a(12) =1283a(13) =1593a(14) =2181a(15) =3664a(16) =4096a(17) =4717a(18) =6811a(19) =7497a(20) =8000a(21) =9919a(22) =10648a(23) =12143a(24) =15275a(25) =15425a(26) =21664a(27) =21728a(28) =21824a(29) =27000