A022976 a(n) = 20-n.

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, -24, -25, -26, -27, -28, -29, -30, -31, -32, -33, -34, -35, -36, -37, -38, -39, -40

Offset

0,1

Links

Table of n, a(n) for n=0..60.

Tanya Khovanova, Recursive Sequences.

Index entries for linear recurrences with constant coefficients, signature (2,-1).

Mathematica

21-Range[70] (* or *) NestList[#-1&, 20, 60] (* Harvey P. Dale, Mar 28 2020 *)

Crossrefs

Cf. A022958 - A022995.

Sequence in context: A076119 A004509 A248942 * A023462 A261307 A172164

Adjacent sequences: A022973 A022974 A022975 * A022977 A022978 A022979

Keyword

sign

Author

N. J. A. Sloane

Status

approved