Numbers k that are repdigits in more bases (smaller than k) than any smaller number.

Terms

a(0) =1a(1) =3a(2) =7a(3) =15a(4) =24a(5) =40a(6) =60a(7) =120a(8) =180a(9) =336a(10) =360a(11) =720a(12) =840a(13) =1260a(14) =1440a(15) =1680a(16) =2520a(17) =5040a(18) =7560a(19) =10080a(20) =15120a(21) =20160a(22) =25200a(23) =27720a(24) =45360a(25) =50400a(26) =55440a(27) =83160a(28) =110880a(29) =166320