A173216 a(n) is the result of multiplying n by the number of letters of the name in Spanish.

3, 6, 12, 24, 25, 24, 35, 32, 45, 40, 44, 48, 65, 98, 90, 144, 170, 162, 190, 120, 189, 198, 230, 288, 275, 260, 297, 280, 319, 210, 341, 352, 396, 476, 455, 432, 481, 456, 507, 320, 492, 504, 559, 660, 630, 598, 658, 624, 686, 450, 663, 676, 742, 864, 825, 784, 855, 812, 885, 420

Offset: 1

Author

Rodolfo Kurchan, Feb 12 2010

Keywords

• nonn
• word

Examples

			a(1) is 3 because UNO has 3 letters by 1 = 3.
a(2) is 6 because DOS has 3 letters by 2 = 6.
a(3) is 12 because TRES has 4 letters by 3 = 12.
a(4) is 24 because CUATRO has 6 letters by 4 = 24.
a(5) is 25 because CINCO has 5 letters by 5 = 25.
		

References

• Published in Snark, Feb 27 2001.

Crossrefs

Cf. A011762.

Formula

a(n) = n*A011762(n). - Michel Marcus, Nov 14 2023

Extensions

More terms from Michel Marcus, Nov 14 2023