A064263 a(n) = 11*n mod 30.

0, 11, 22, 3, 14, 25, 6, 17, 28, 9, 20, 1, 12, 23, 4, 15, 26, 7, 18, 29, 10, 21, 2, 13, 24, 5, 16, 27, 8, 19, 0, 11, 22, 3, 14, 25, 6, 17, 28, 9, 20, 1, 12, 23, 4, 15, 26, 7, 18, 29, 10, 21, 2, 13, 24, 5, 16, 27, 8, 19, 0, 11, 22, 3, 14, 25, 6, 17, 28, 9, 20

Offset

0,2

Comments

Epact in Julian calendar for a year with Golden Number n+1.

References

B. Blackburn and L. Hollford-Stevens, The Oxford Companion to the Year, Oxford, 1999; see p. 821.

Links

Harry J. Smith, 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, 1).

Mathematica

Mod[11*Range[0, 80], 30] (* Harvey P. Dale, Mar 13 2014 *)

Prog

(PARI) a(n) = { 11*n % 30 } \\ Harry J. Smith, Sep 10 2009

Crossrefs

Sequence in context: A202627 A257491 A169853 * A138838 A139337 A231115

Adjacent sequences: A064260 A064261 A064262 * A064264 A064265 A064266

Keyword

nonn,easy

Author

N. J. A. Sloane, Sep 24 2001

Status

approved