A007880 Westminster chimes at 15-minute intervals (1).

1, 2, 3, 5, 1, 2, 3, 6, 1, 2, 3, 7, 1, 2, 3, 8, 1, 2, 3, 9, 1, 2, 3, 10, 1, 2, 3, 11, 1, 2, 3, 12, 1, 2, 3, 13, 1, 2, 3, 14, 1, 2, 3, 15, 1, 2, 3, 16, 1, 2, 3, 5, 1, 2, 3, 6, 1, 2, 3, 7, 1, 2, 3, 8, 1, 2, 3, 9, 1, 2, 3, 10, 1, 2, 3, 11, 1, 2, 3, 12, 1, 2, 3, 13, 1, 2, 3, 14, 1, 2, 3, 15, 1, 2, 3, 16

Offset: 0

Author

Colin Mallows

Keywords

• nonn

Programs

Mathematica

With[{c=Table[{{1,2,3},n},{n,5,16}]//Flatten},Join[c,c]]  (* Harvey P. Dale, Oct 01 2018 *)