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A007883 Westminster chimes at 15-minute intervals (2). 1
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 (list; graph; refs; listen; history; text; internal format)
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: A175670 A194374 A061085 * A023706 A043333 A037352

Adjacent sequences:  A007880 A007881 A007882 * A007884 A007885 A007886

KEYWORD

nonn

AUTHOR

Colin Mallows

STATUS

approved

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Last modified May 17 21:11 EDT 2021. Contains 343990 sequences. (Running on oeis4.)