A007883 Westminster chimes at 15-minute intervals (2).

4, 8, 12, 17, 4, 8, 12, 18, 4, 8, 12, 19, 4, 8, 12, 20, 4, 8, 12, 21, 4, 8, 12, 22, 4, 8, 12, 23, 4, 8, 12, 24, 4, 8, 12, 25, 4, 8, 12, 26, 4, 8, 12, 27, 4, 8, 12, 28, 4, 8, 12, 17, 4, 8, 12, 18, 4, 8, 12, 19, 4, 8, 12, 20, 4, 8, 12, 21, 4, 8, 12, 22, 4, 8, 12, 23, 4, 8, 12, 24, 4, 8, 12, 25

Offset

1,1

Links

Table of n, a(n) for n=1..84.

Example

First quarter hour: x x x x
second quarter hour: x x x x, x x x x
third quarter hour: x x x x, x x x x, x x x x
one o'clock: x x x x, x x x x, x x x x, x x x x, X
first quarter hour: x x x x
second quarter hour: x x x x, x x x x
third quarter hour: x x x x, x x x x, x x x x
two o'clock: x x x x, x x x x, x x x x, x x x x, X X
...

Crossrefs

Sequence in context: A355031 A194374 A061085 * A023706 A043333 A037352

Adjacent sequences: A007880 A007881 A007882 * A007884 A007885 A007886

Keyword

nonn

Author

Colin Mallows

Status

approved