A029926 Convert n from degrees Fahrenheit to nearest integer Celsius.

-18, -17, -17, -16, -16, -15, -14, -14, -13, -13, -12, -12, -11, -11, -10, -9, -9, -8, -8, -7, -7, -6, -6, -5, -4, -4, -3, -3, -2, -2, -1, -1, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 16, 16, 17, 17, 18, 18

Offset

0,1

References

M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards Applied Math. Series 55, Tenth Printing, 1972, p. 8.

Links

Ray Chandler, Table of n, a(n) for n = 0..1000

M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards Applied Math. Series 55, Tenth Printing, 1972, p. 8.

Index entries for linear recurrences with constant coefficients, signature (1, 0, 0, 0, 0, 0, 0, 0, 1, -1).

Formula

From Reinhard Zumkeller, May 03 2010: (Start)

a(n) = round(5*(n-32)/9).

a(A029925(n)) = n. (End)

G.f.: (-18 + x + x^3 + x^5 + x^6 + x^8 + 18*x^9)/(1 - x - x^9 + x^10). - Charles R Greathouse IV, May 16 2026

Mathematica

Table[Round[(5(n-32))/9], {n, 0, 100}] (* Harvey P. Dale, Feb 09 2020 *)

Prog

(PARI) a(n)=5*(n-32)\/9 \\ Charles R Greathouse IV, May 16 2026

Crossrefs

Cf. A029925, A085259, A085268, A177154.

Sequence in context: A022974 A023460 A384919 * A070742 A304260 A176064

Adjacent sequences: A029923 A029924 A029925 * A029927 A029928 A029929

Keyword

sign,easy

Author

N. J. A. Sloane

Status

approved