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A197976 Round((3*n+1/n)^n) 1
4, 42, 813, 22519, 811368, 35946076, 1888624972, 114746269758, 7912720985079, 610470884770406, 52094956940751710, 4871691779130290166, 495409898474358881327, 54427906182810588386674, 6424384909407981686846705 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..300

PROG

(MAGMA) [Round((3*n+1/n)^n): n in [1..20]]

CROSSREFS

Cf. A014056

Sequence in context: A197948 A196194 A197323 * A338194 A241030 A143990

Adjacent sequences:  A197973 A197974 A197975 * A197977 A197978 A197979

KEYWORD

nonn

AUTHOR

Vincenzo Librandi, Oct 20 2011

STATUS

approved

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Last modified September 27 03:05 EDT 2021. Contains 347673 sequences. (Running on oeis4.)