A064264 a(n) = 19*n mod 30.

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

Offset: 0

Author

N. J. A. Sloane, Sep 24 2001

Keywords

• nonn
• easy

Comments

Paschal term in Julian calendar for a year with Golden Number n+10.

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).

Programs

Maple

A064264:=n->19*n mod 30: seq(A064264(n), n=0..150); # Wesley Ivan Hurt, Apr 10 2017

PARI

a(n) = { 19*n % 30 } \\ Harry J. Smith, Sep 10 2009