login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A301347 a(n) = n^(n-1) + (n-1)!. 1
2, 3, 11, 70, 649, 7896, 118369, 2102192, 43087041, 1000362880, 25941053401, 743048287488, 23298564124081, 793721000274944, 29193013203681825, 1152922812281214976, 48661212798456756481, 2185911915426124627968, 104127356700284947260841, 5242880121645100408832000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Seiichi Manyama, Table of n, a(n) for n = 1..387

FORMULA

a(n) = A053042(n)/n.

a(n) = A000169(n) + A000142(n-1).

MATHEMATICA

Array[#^(# - 1) + (# - 1)! &, 20] (* Michael De Vlieger, Mar 19 2018 *)

PROG

(PARI) a(n) = n^(n-1) + (n-1)! \\ Altug Alkan, Mar 19 2018

CROSSREFS

Cf. A000142, A000169, A053042, A126130.

Sequence in context: A219513 A001052 A184310 * A241811 A349518 A155187

Adjacent sequences: A301344 A301345 A301346 * A301348 A301349 A301350

KEYWORD

nonn

AUTHOR

Seiichi Manyama, Mar 19 2018

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified December 8 07:38 EST 2022. Contains 358691 sequences. (Running on oeis4.)