A022993 a(n) = 37 - n.

37, 36, 35, 34, 33, 32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, -1, -2, -3, -4, -5, -6, -7, -8, -9, -10, -11, -12, -13, -14, -15, -16, -17, -18, -19, -20, -21, -22, -23

Offset: 0

Author

N. J. A. Sloane

Keywords

• sign
• easy

Links

• Tanya Khovanova, Recursive Sequences.
• Index entries for linear recurrences with constant coefficients, signature (2,-1).

Crossrefs

Cf. A022958 - A022996.

Programs

Magma

[37-n : n in [0..80]]; // Wesley Ivan Hurt, Aug 19 2022

Mathematica

37-Range[0,60] (* Harvey P. Dale, Apr 08 2023 *)

Formula

a(n) = 2*a(n-1) - a(n-2). - Wesley Ivan Hurt, Aug 19 2022