The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A052506

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A052506

Expansion of e.g.f. exp(x*exp(x)-x).
(history; published version)

#54 by Charles R Greathouse IV at Thu Sep 08 08:44:59 EDT 2022

PROG

(MAGMAMagma) m:=30; R<x>:=PowerSeriesRing(Rationals(), m); b:=Coefficients(R!( Exp(x*Exp(x)-x) )); [Factorial(n-1)*b[n]: n in [1..m-1]]; // G. C. Greubel, May 13 2019

Discussion

Thu Sep 08

08:44

OEIS Server: https://oeis.org/edit/global/2944

#53 by Alois P. Heinz at Mon Aug 29 15:54:33 EDT 2022

STATUS

proposed

approved

#52 by Seiichi Manyama at Mon Aug 29 13:13:09 EDT 2022

STATUS

editing

proposed

#51 by Seiichi Manyama at Mon Aug 29 13:11:54 EDT 2022

FORMULA

G.f.: Sum_{k>=0} x^k / (1 - (k+-1)*x)^(k+1). - Seiichi Manyama, Aug 29 2022

#50 by Seiichi Manyama at Mon Aug 29 10:40:51 EDT 2022

FORMULA

G.f.: Sum_{k>=0} x^k / (1 - (k+1)*x)^(k+1). - Seiichi Manyama, Aug 29 2022

#49 by Seiichi Manyama at Mon Aug 29 10:39:52 EDT 2022

PROG

(PARI) my(N=30, x='x+O('x^N)); Vec(sum(k=0, N, x^k/(1-(k-1)*x)^(k+1))) \\ Seiichi Manyama, Aug 29 2022

#48 by Seiichi Manyama at Mon Aug 29 10:39:01 EDT 2022

CROSSREFS

Cf. A351736, A351737.

#47 by Seiichi Manyama at Mon Aug 29 10:38:27 EDT 2022

NAME

EExpansion of e.g.f.: exp(x*exp(x)-x).

STATUS

approved

editing

#46 by Joerg Arndt at Sat Aug 07 01:26:30 EDT 2021

STATUS

proposed

approved

#45 by Kevin Ryde at Sat Aug 07 01:17:30 EDT 2021

STATUS

editing

proposed