A074805 n mod 19 + 1 ("Golden Number").

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 1, 2, 3, 4, 5, 6, 7, 8

Offset

0,2

Links

Table of n, a(n) for n=0..83.

Eric Weisstein's World of Astronomy, Golden Number

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, 1).

Formula

a(n) = n mod 19 + 1

Example

a(0) = 0 mod 19 + 1 = 1

Mathematica

LinearRecurrence[{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1}, {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19}, 84] (* Ray Chandler, Aug 27 2015 *)

Crossrefs

Cf. A064265, A064266, A064263, A064264, A064267.

Sequence in context: A167974 A106620 A080685 * A121761 A056963 A291769

Adjacent sequences: A074802 A074803 A074804 * A074806 A074807 A074808

Keyword

easy,nonn

Author

Jeremy Gardiner, Sep 08 2002

Status

approved