A007884 Chimes made by clock striking quarter-hours.

1, 2, 3, 1, 1, 2, 3, 2, 1, 2, 3, 3, 1, 2, 3, 4, 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, 1, 1, 2, 3, 2, 1, 2, 3, 3, 1, 2, 3, 4, 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

Offset: 0

Author

Colin Mallows

Keywords

• nonn

Comments

Periodic sequence with period 48. - Michel Marcus, Jul 17 2013

Crossrefs

Cf. A001492, A007879, A007880, A007883.

Programs

Mathematica

Table[Flatten[Table[PadRight[{1,2,3},4,h],{h,12}]],{2}]//Flatten (* Harvey P. Dale, Jun 16 2023 *)

PARI

a(n)= if((n+1)%4, (n+1)%4, ((n+1)/4-1)%12+1) \\ Michel Marcus, Jul 17 2013