A174991 A005606 applied to itself.

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, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14

Offset

0,1

Comments

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

Links

Table of n, a(n) for n=0..70.

Formula

a(n) = A005606(A005606(n)).

Example

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.

Crossrefs

Cf. A005606, A114332.

Sequence in context: A351025 A327131 A076594 * A217418 A370499 A196102

Adjacent sequences: A174988 A174989 A174990 * A174992 A174993 A174994

Keyword

easy,nonn,word

Author

Jonathan Vos Post, Apr 03 2010

Status

approved