Least m such that reverse(sigma(m)) = sigma(m+n).

Terms

a(0) =5602a(1) =1426a(2) =20a(3) =15210a(4) =15a(5) =14a(6) =9a(7) =32494a(8) =35a(9) =22a(10) =15a(11) =14a(12) =338317a(13) =2145a(14) =46054a(15) =9a(16) =1705a(17) =23a(18) =16611a(19) =1238042a(20) =562a(21) =233a(22) =1771a(23) =8063a(24) =1605a(25) =15a(26) =14a(27) =261892a(28) =2201a(29) =35