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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
OFFSET
1,1
LINKS
PROG
(Magma) [Round((3*n+1/n)^n): n in [1..20]]
CROSSREFS
Sequence in context: A197948 A196194 A197323 * A338194 A241030 A143990
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Oct 20 2011
STATUS
approved