A169860 Floor of n inches converted to millimeters.

0, 25, 50, 76, 101, 127, 152, 177, 203, 228, 254, 279, 304, 330, 355, 381, 406, 431, 457, 482, 508, 533, 558, 584, 609, 635, 660, 685, 711, 736, 762, 787, 812, 838, 863, 889, 914, 939, 965, 990, 1016, 1041, 1066, 1092, 1117, 1143, 1168, 1193, 1219, 1244

Offset: 0

Author

Jeremy Gardiner, Jun 12 2010

Keywords

• nonn
• easy

Links

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

Crossrefs

Cf. A169861.

Programs

Mathematica

First/@Table[Floor[UnitConvert[Quantity[n,"Inches"],"Millimeters"]],{n,0,50}] (* Harvey P. Dale, Sep 04 2013 *)

Formula

a(n) = floor(n*25.4) = floor(n*127/5).

G.f.: x*(25 + 25*x + 26*x^2 + 25*x^3 + 26*x^4)/((1 - x)^2*(1 + x + x^2 + x^3 + x^4)). - Stefano Spezia, Jul 10 2025

Extensions

Corrected by Harvey P. Dale, Sep 04 2013