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A132408 Ceiling(exp(n)/n^2). 1
3, 2, 3, 4, 6, 12, 23, 47, 101, 221, 495, 1131, 2618, 6136, 14529, 34712, 83582, 202655, 494411, 1212913, 2990512, 7406845, 18421179, 45988060, 115207839, 289540843, 729832978, 1844715644, 4674594884, 11873860647, 30227731182, 77112265804 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

MATHEMATICA

Table[Ceiling[E^(n)/n^2], {n, 40}] (* Vincenzo Librandi, Feb 19 2013 *)

PROG

(Magma) [Ceiling(Exp(n)/n^2): n in [1..40]]; // Vincenzo Librandi, Feb 19 2013

CROSSREFS

Cf. A107316.

Sequence in context: A114751 A211947 A220071 * A091821 A086035 A334449

Adjacent sequences: A132405 A132406 A132407 * A132409 A132410 A132411

KEYWORD

nonn,easy

AUTHOR

Mohammad K. Azarian, Nov 12 2007

EXTENSIONS

Changed offset from 0 to 1 by Vincenzo Librandi, Feb 19 2013

STATUS

approved

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Last modified December 2 07:49 EST 2022. Contains 358493 sequences. (Running on oeis4.)