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 A174991 A005606 applied to itself. 0

%I #2 Mar 30 2012 18:40:52

%S 20,6,20,20,19,19,14,14,6,6,20,6,20,20,19,19,14,14,6,6,20,20,20,20,20,

%T 20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,19,19,19,19,19,19,19,19,

%U 19,19,19,19,19,19,19,19,19,19,19,19,14,14,14,14,14,14,14,14,14,14,14

%N A005606 applied to itself.

%C Position in the alphabet of the first letter of the position of the alphabet of the first letter of n (in English).

%F a(n) = A005606(A005606(n)).

%e a(0) = 20 because "zero" begins with 'Z' and 'Z' is the twentieth letter hence A005606(0)=26; "twentysix" begins with "T" which is the twentieth letter in the alphabet. a(1) = 6 because "one" begins with 'O' and 'O' is the fifteenth letter hence A005606(1)=15; "fifteen" begins with "F" which is the sixth letter in the alphabet.

%Y Cf. A005606, A114332.

%K easy,nonn,word

%O 0,1

%A _Jonathan Vos Post_, Apr 03 2010

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