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An example (usually nonunique) of the derivation of the first 24 values.
a(1) = 1, the number of 1's in "1."
a(2) = 2, the number of 1's in "1+1 = 2."
a(3) = 3, the number of 1's in "1+1+1 = 3."
a(4) = 4, the number of 1's in "1+1+1+1 = 4."
a(5) = 5, the number of 1's in "1+1+1+1+1 = 5."
a(6) = 5, since there are 5 1's in "((1+1)*(1+1+1)) = 6."
a(7) = 6, since there are 6 1's in "1+(((1+1)*(1+1+1))) = 7."
a(8) = 5, since there are 5 1's in "(1+1)^(1+1+1) = 8."
a(9) = 5, since there are 5 1's in "(1+1+1)^(1+1) = 9."
a(10) = 6 since there are 6 1's in "1+((1+1+1)^(1+1)) = ten.
a(11) = 2 since there are 2 1's in "1#1 = eleven."
a(12) = 3 since there are 3 1's in "1+(1#1) = twelve."
a(13) = 4 since there are 4 1's in "1+1+(1#1) = thirteen."
a(14) = 5 since there are 5 1's in "1+1+1+(1#1) = fourteen."
a(16) = 6 since there are 6 1's in "(1+1+1+1)^(1+1)."
a(17) = 7 since there are 7 1's in "1+((1+1+1+1)^(1+1))."
a(18) = 7 since there are 7 1's in "(1+1)*((1+1+1)^(1+1))."
a(19) = 7 since there are 7 1's in "(1#1)+((1+1)^(1+1+1))."
a(20) = 7 since there are 7 1's in "(1#1)+((1+1+1)^(1+1))."
a(21) = 8 since there are 8 1's in "1+((1#1)+((1+1+1)^(1+1)))."
a(22) = 4 since 22 = (1+1)*(1#1) = (1#1)+(1#1) = (1#1)#(1#1).
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