%I A104142
%S A104142 1,2,6,10,24,73,104,200,300,401,473
%N A104142 Take any three consecutive terms and write them down (in English): their 
               letters sum up to a square number. This is the slowest strictly increasing 
               such sequence.
%C A104142 Numbers without "and" are used here. Starting with "0,1" would give another 
               sequence.
%e A104142 1 2 6 = "one+two+six" = 9 letters; 9 is 3^2.
%e A104142 300 401 473 = "three hundred + four hundred one + four hundred seventy 
               three" = 49 letters; 49 is 7^2.
%Y A104142 Sequence in context: A134016 A072297 A120963 this_sequence A079713 A055237 
               A057434
%Y A104142 Adjacent sequences: A104139 A104140 A104141 this_sequence A104143 A104144 
               A104145
%K A104142 base,easy,nonn,word
%O A104142 1,2
%A A104142 Eric Angelini (eric.angelini(AT)kntv.be), Mar 07 2005