the next number in the sequence is 25............starting at the beginning, you add the odd numbers to the existing number to get the answer. Add "1" to 0, get 1; add "3" to 1, get 4; add "5" to 4, get 9; add "7" to 9 to get 16........and add "9" to 16 to get 25.........
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1 0 0 0 0
110102 = 1*24 + 1*23 + 0*22 + 1*21 + 0*20 = 1*16 + 1*8 + 0 + 1*2 + 0 = 16 + 8 + 2 = 26
Here they are for 1 to 16, at no extra cost:Dec . . . Bin1 . . . . . 12 . . . . . 1 03 . . . . . 1 14 . . . . . 1 0 05 . . . . . 1 0 16 . . . . . 1 1 07 . . . . . 1 1 18 . . . . . 1 0 0 09 . . . . . 1 0 0 110 . . . . 1 0 1 011 . . . . 1 0 1 112 . . . . 1 1 0 013 . . . . 1 1 0 114 . . . . 1 1 1 015 . . . . 1 1 1 116 . . . . 1 0 0 0 0
10011 = 1*24 + 0*23 + 0*22 + 1*21 + 1*20 = 16 + 0 + 0 + 2 + 1 = 19