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a(n) is the result of multiplying n by the number of letters of the name in Spanish.
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%I #10 Nov 14 2023 12:42:19

%S 3,6,12,24,25,24,35,32,45,40,44,48,65,98,90,144,170,162,190,120,189,

%T 198,230,288,275,260,297,280,319,210,341,352,396,476,455,432,481,456,

%U 507,320,492,504,559,660,630,598,658,624,686,450,663,676,742,864,825,784,855,812,885,420

%N a(n) is the result of multiplying n by the number of letters of the name in Spanish.

%D Published in Snark, Feb 27 2001.

%F a(n) = n*A011762(n). - _Michel Marcus_, Nov 14 2023

%e a(1) is 3 because UNO has 3 letters by 1 = 3.

%e a(2) is 6 because DOS has 3 letters by 2 = 6.

%e a(3) is 12 because TRES has 4 letters by 3 = 12.

%e a(4) is 24 because CUATRO has 6 letters by 4 = 24.

%e a(5) is 25 because CINCO has 5 letters by 5 = 25.

%Y Cf. A011762.

%K nonn,word

%O 1,1

%A _Rodolfo Kurchan_, Feb 12 2010

%E More terms from _Michel Marcus_, Nov 14 2023