Lexicographically earliest sequence of distinct positive terms such that the rightmost digit of a(n) concatenated with the leftmost digit of a(n+1) form an integer that is the sum of the digits of a(n) and a(n+1).
A347353
Lexicographically earliest sequence of distinct positive terms such that the rightmost digit of a(n) concatenated with the leftmost digit of a(n+1) form an integer that is the sum of the digits of a(n) and a(n+1).
Terms
- a(0) =1a(1) =19a(2) =1899999999a(3) =29a(4) =1799999999a(5) =119a(6) =1889999999a(7) =128a(8) =169999999a(9) =1299a(10) =178999999a(11) =1389a(12) =179899999a(13) =1398a(14) =15999999a(15) =13999a(16) =16899999a(17) =14899a(18) =16989999a(19) =14989a(20) =16998999a(21) =14998a(22) =1499999a(23) =149999a(24) =1589999a(25) =158999a(26) =1598999a(27) =159899a(28) =1599899a(29) =159989
External references
- oeis: A347353