A239604 Width or height, given in millimeters, of ISO A paper formats.

26, 37, 52, 74, 105, 148, 210, 297, 420, 594, 841, 1189, 1682, 2378

Offset

1,1

Comments

In the ISO paper size system, the height-to-width ratio of all pages is the square root of two, A002193.

Links

Table of n, a(n) for n=1..14.

Wikipedia, Paper size

Formula

For An: Width*Height ~ 1 m^2/(2^n).

Example

ISO A Formats.....Width (mm).....Height (mm)
-----------------------------------------------
A10.....................26................37
A9......................37................52
A8......................52................74
A7......................74...............105
A6.....................105...............148
A5.....................148...............210
A4.....................210...............297
A3.....................297...............420
A2.....................420...............594
A1.....................594...............841
A0.....................841..............1189
2A0...................1189..............1682
4A0...................1682..............2378

Crossrefs

Cf. A002193 (sqrt(2)), A076968.

Sequence in context: A240897 A034096 A034106 * A213012 A171745 A045092

Adjacent sequences: A239601 A239602 A239603 * A239605 A239606 A239607

Keyword

nonn,fini,full

Author

Philippe Deléham, Mar 22 2014

Status

approved