The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A113327 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A113327

a(n) = Sum_{k=0..n} 2^k*A111146(n,k).
(history; published version)

#12 by Michael De Vlieger at Sat Sep 07 21:09:59 EDT 2024

STATUS

reviewed

approved

#11 by Andrew Howroyd at Sat Sep 07 21:06:28 EDT 2024

STATUS

proposed

reviewed

#10 by Andrew Howroyd at Sat Sep 07 21:06:18 EDT 2024

STATUS

editing

proposed

#9 by Andrew Howroyd at Sat Sep 07 21:05:50 EDT 2024

FORMULA

G.f.: A(x) = 1/(1 - 2/1!*x*Sum_{k>=0} (k+1)!*x^k ).

STATUS

proposed

editing

Discussion

Sat Sep 07

21:06

Andrew Howroyd: 2/1! = 2, which checks out.

#8 by Jason Yuen at Sat Sep 07 17:37:48 EDT 2024

STATUS

editing

proposed

Discussion

Sat Sep 07

17:43

Michel Marcus: 2/1! is (2/1)!  ?

#7 by Jason Yuen at Sat Sep 07 17:37:30 EDT 2024

FORMULA

G.f.: A(x) = 1/(1 - 2/1!*x*Sum(_{k>=0} (k+1)!*x^k ).

STATUS

approved

editing

#6 by N. J. A. Sloane at Sun Sep 08 13:30:50 EDT 2013

AUTHOR

_Philippe DELEHAM_ Deléham_ and Paul D. Hanna, Oct 26 2005

Discussion

Sun Sep 08

13:30

OEIS Server: https://oeis.org/edit/global/1938

#5 by Russ Cox at Sat Mar 31 10:27:53 EDT 2012

AUTHOR

_Philippe DELEHAM (kolotoko(AT)wanadoo.fr) _ and Paul D. Hanna, Oct 26 2005

Discussion

Sat Mar 31

10:27

OEIS Server: https://oeis.org/edit/global/535

#4 by Russ Cox at Fri Mar 30 18:36:51 EDT 2012

AUTHOR

Philippe DELEHAM (kolotoko(AT)wanadoo.fr) and _Paul D. Hanna (pauldhanna(AT)juno.com), _, Oct 26 2005

Discussion

Fri Mar 30

18:36

OEIS Server: https://oeis.org/edit/global/213

#3 by N. J. A. Sloane at Sat Nov 10 03:00:00 EST 2007

KEYWORD

nonn,new

nonn

AUTHOR

Philippe DELEHAM (kolotoko(AT)wanadoo.fr) and Paul D . Hanna (pauldhanna(AT)juno.com), Oct 26 2005