Diagonal sums of A164844.

Terms

a(0) =1a(1) =10a(2) =101a(3) =1011a(4) =10112a(5) =101123a(6) =1011235a(7) =10112358a(8) =101123593a(9) =1011235951a(10) =10112359544a(11) =101123595495