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A034524 11^n + 1. 10
2, 12, 122, 1332, 14642, 161052, 1771562, 19487172, 214358882, 2357947692, 25937424602, 285311670612, 3138428376722, 34522712143932, 379749833583242, 4177248169415652, 45949729863572162, 505447028499293772 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

Numbers n for which the expression 11^n/(n-1) is an integer. - Paolo P. Lava, May 29 2006

LINKS

T. D. Noe, Table of n, a(n) for n=0..200

FORMULA

G.f.: 1/(1-x)+1/(1-11*x). E.g.f.: e^x+e^(11*x). [From Mohammad K. Azarian, Jan 02 2009]

PROG

(Sage) [sigma(11, n)for n in xrange(0, 18)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jun 04 2009]

CROSSREFS

Sequence in context: A221279 A165300 A028359 * A051782 A058349 A048173

Adjacent sequences:  A034521 A034522 A034523 * A034525 A034526 A034527

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified May 24 18:52 EDT 2013. Contains 225630 sequences.