A371933 a(n) = 20*log_10(n) rounded to the nearest integer.

0, 6, 10, 12, 14, 16, 17, 18, 19, 20, 21, 22, 22, 23, 24, 24, 25, 25, 26, 26, 26, 27, 27, 28, 28, 28, 29, 29, 29, 30, 30, 30, 30, 31, 31, 31, 31, 32, 32, 32, 32, 32, 33, 33, 33, 33, 33, 34, 34, 34, 34, 34, 34, 35, 35, 35, 35, 35, 35, 36, 36, 36, 36, 36, 36

Offset: 1

Author

Charles L. Hohn, Jul 03 2024

Keywords

• nonn

Comments

When the amplitude of a wave (sound or electrical) increases by a factor of n, this increase is 20*log_10(n) decibels.

Links

• Wikipedia, Decibel

Crossrefs

Cf. A004220.

Programs

Mathematica

Round[20 Log10[Range[60]]]