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A008604 Multiples of 22. 8
0, 22, 44, 66, 88, 110, 132, 154, 176, 198, 220, 242, 264, 286, 308, 330, 352, 374, 396, 418, 440, 462, 484, 506, 528, 550, 572, 594, 616, 638, 660, 682, 704, 726, 748, 770, 792, 814, 836, 858, 880, 902, 924, 946, 968, 990 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Even numbers for which the sum of "digits" base 100 is divisible by 11. - Daniel Forgues, Feb 22 2016

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

Tanya Khovanova, Recursive Sequences

INRIA Algorithms Project, Encyclopedia of Combinatorial Structures 334

Luis Manuel Rivera, Integer sequences and k-commuting permutations, arXiv preprint arXiv:1406.3081 [math.CO], 2014-2015.

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

FORMULA

G.f.: 22*x/(x-1)^2. - Vincenzo Librandi, Jun 10 2013

a(n) = A008593(2n). - Daniel Forgues, Feb 22 2016

MATHEMATICA

Range[0, 1500, 22] (* Vladimir Joseph Stephan Orlovsky, Jun 01 2011 *)

CoefficientList[Series[22 x / (x - 1)^2, {x, 0, 60}], x] (* Vincenzo Librandi, Jun 10 2013 *)

PROG

(PARI) a(n)=22*n \\ Charles R Greathouse IV, Oct 07 2015

CROSSREFS

Cf. A008602, A008603.

Sequence in context: A040462 A269310 A015799 * A110724 A277051 A061832

Adjacent sequences:  A008601 A008602 A008603 * A008605 A008606 A008607

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified June 24 20:19 EDT 2017. Contains 288707 sequences.