Smallest palindromic number of 7 digits in two bases differing by n.

Terms

a(0) =186621a(1) =532900a(2) =1857351a(3) =9046409a(4) =17439233a(5) =69012421a(6) =146766357a(7) =289744476a(8) =347411351a(9) =390219121a(10) =1200809057a(11) =1393838392a(12) =3088676989a(13) =2383346701a(14) =3333147809a(15) =6041072349a(16) =6819663132a(17) =7822398453a(18) =9534770061a(19) =12359264257a(20) =18701296795a(21) =20196246357a(22) =25763014657