SUM OF ADJACENT INTEGERS

                                               4 + 5 + 6    =   7 + 8



                                  9 + 10 + 11 + 12    =   13 + 14 + 15


                        16 + 17 + 18 + 19 + 20    =   21 + 22 + 23 + 24


                25 + 26 + 27 + 28 + 29 + 30   =   31 + 32 + 33 + 34 + 35


        36 + 37 + 38 + 39 + 40 + 41 + 42  =   43 + 44 + 45 + 46 + 47 + 48


49 + 50 + 51 + 52 + 53 + 54 + 55 + 56  =   57 + 58 + 59 + 60 + 61 + 62 + 63

NUMBER PATTERN USING 1, 2, 8 AND 9

                      9 x 2 = 18

              99 x 2 = 198

            999 x 2 = 1998

          9999 x 2 = 19998

        99999 x 2 = 199998

      999999 x 2 = 1999998

    9999999 x 2 = 19999998

  99999999 x 2 = 199999998

999999999 x 2 = 1999999998

PALINDROMIC NUMBER PATTERN WITH 1

111111111
               * 111111111
--------------------------
 12345678987654321