A059969 a(n) = n times the number of letters in n (in English).

0, 3, 6, 15, 16, 20, 18, 35, 40, 36, 30, 66, 72, 104, 112, 105, 112, 153, 144, 152, 120, 189, 198, 253, 240, 250, 234, 297, 308, 290, 180, 279, 288, 363, 340, 350, 324, 407, 418, 390, 200, 328, 336, 430, 396, 405, 368, 470, 480, 441, 250, 408, 416, 530, 486

Offset

0,2

Links

Table of n, a(n) for n=0..54.

Formula

a(n) = n*A005589(n). - Arkadiusz Wesolowski, Jun 01 2011

Example

a(7)=35 because 7 * 5 (seven has 5 letters) = 35.

Crossrefs

Cf. A005589.

Sequence in context: A337742 A066904 A310124 * A224864 A176547 A310125

Adjacent sequences: A059966 A059967 A059968 * A059970 A059971 A059972

Keyword

easy,nonn,word

Author

Rodolfo Kurchan, Mar 11 2001

Extensions

a(0) prepended by Arkadiusz Wesolowski, Jun 01 2011

More terms from Nathaniel Johnston, Jun 02 2011

Status

approved