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A215148 a(n) = 23*n + 1. 1
1, 24, 47, 70, 93, 116, 139, 162, 185, 208, 231, 254, 277, 300, 323, 346, 369, 392, 415, 438, 461, 484, 507, 530, 553, 576, 599, 622, 645, 668, 691, 714, 737, 760, 783, 806, 829, 852, 875, 898, 921, 944, 967, 990 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Jeremy Gardiner, Table of n, a(n) for n = 0..999

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

FORMULA

From G. C. Greubel, Apr 19 2018: (Start)

a(n) = 2*a(n-1) - a(n-2).

G.f.: (1+22*x)/(1-x)^2.

E.g.f.: (23*x + 1)*exp(x). (end)

MATHEMATICA

Range[1, 1000, 23]

LinearRecurrence[{2, -1}, {1, 24}, 50] (* G. C. Greubel, Apr 19 2018 *)

PROG

(PARI) for(n=0, 50, print1(23*n + 1, ", ")) \\ G. C. Greubel, Apr 19 2018

(MAGMA) I:=[1, 24]; [n le 2 select I[n] else 2*Self(n-1) - Self(n-2): n in [1..30]]; // G. C. Greubel, Apr 19 2018

CROSSREFS

Cf. A103214, A120344, A161709.

Sequence in context: A154590 A028992 A220515 * A040552 A199545 A098427

Adjacent sequences:  A215145 A215146 A215147 * A215149 A215150 A215151

KEYWORD

nonn,easy

AUTHOR

Jeremy Gardiner, Aug 04 2012

STATUS

approved

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Last modified April 5 16:24 EDT 2020. Contains 333245 sequences. (Running on oeis4.)