Smallest composite number n such that every divisor > 1 includes n as a substring.

Terms

a(0) =10201a(1) =121a(2) =254a(3) =39a(4) =1849a(5) =25a(6) =16043a(7) =497a(8) =6889a(9) =1691a(10) =10201a(11) =111221a(12) =16129a(13) =13169a(14) =214411a(15) =1532801a(16) =516221a(17) =117589a(18) =1401847a(19) =19361a(20) =2520899a(21) =44521a(22) =512231a(23) =235129a(24) =582497a(25) =628253a(26) =726031a(27) =395279a(28) =802817a(29) =295639