login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A091040 Row sums of triangle A091039 (scaled second columns of (k,k)-Stirling2 arrays). 1
1, 4, 16, 98, 1252, 39056, 3235216, 746947664, 504955938112, 1063702416056576, 7035749505695570176, 160587398553186610959104, 12278492143557175831484111872, 3469220019297527430713345352498176 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

FORMULA

a(n)=sum(A091039(n, k), k=1..n), n>=1.

CROSSREFS

Sequence in context: A032184 A111976 A130683 * A029985 A114023 A145823

Adjacent sequences:  A091037 A091038 A091039 * A091041 A091042 A091043

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang (wolfdieter.lang_AT_physik_DOT_uni-karlsruhe_DOT_de), Jan 23 2004

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 17 14:50 EST 2012. Contains 206050 sequences.