A001492 Clock chimes with a quarter-hour bell.

1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1, 1, 1, 4, 1, 1, 1, 5, 1, 1, 1, 6, 1, 1, 1, 7, 1, 1, 1, 8, 1, 1, 1, 9, 1, 1, 1, 10, 1, 1, 1, 11, 1, 1, 1, 12, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1, 1, 1, 4, 1, 1, 1, 5, 1, 1, 1, 6, 1, 1, 1, 7, 1, 1, 1, 8, 1, 1, 1, 9

Offset

0,8

Comments

Periodic sequence with period 48. - Michel Marcus, Jul 16 2013

Links

John Cerkan, Table of n, a(n) for n = 0..1000

Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).

Prog

(PARI) a(n)=if((n+1)%4, 1, ((n+1)/4-1)%12+1)

Crossrefs

Cf. A007879, A007884.

Sequence in context: A371211 A108886 A140886 * A347049 A054576 A326840

Adjacent sequences: A001489 A001490 A001491 * A001493 A001494 A001495

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved