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Revision History for A056109 (Underlined text is an addition; strikethrough text is a deletion.)

Showing entries 1-10 | older changes
A056109 Fifth spoke of a hexagonal spiral.
(history; published version)
#106 by Alois P. Heinz at Fri Jul 19 08:21:05 EDT 2024
STATUS

editing

approved

#105 by Alois P. Heinz at Fri Jul 19 08:20:57 EDT 2024
MAPLE

seq(coeff(series(factorial(n)*(!*(exp(x)*(3*x^2+5*x+1)), x, n+1), x, n), n = 0 .. 50); # Muniru A Asiru, Oct 07 2018

STATUS

approved

editing

#104 by Alois P. Heinz at Fri Jul 19 08:20:30 EDT 2024
STATUS

proposed

approved

#103 by Joerg Arndt at Fri Jul 19 03:03:56 EDT 2024
STATUS

editing

proposed

#102 by Joerg Arndt at Fri Jul 19 03:03:36 EDT 2024
MATHEMATICA

s=1; lst={s}; Do[s+=n+5; AppendTo[lst, s], {n, 0, 6!, 6}]; lst (* Vladimir Joseph Stephan Orlovsky, Nov 04 2008 *)

CoefficientList[Series[E^x (1 + 5 x + 3 x^2) , {x, 0, 20}], x]*Table[k!, {k, 0, 100}] (* Stefano Spezia, Oct 06 2018 *)

STATUS

proposed

editing

#101 by Jarrod G. Sage at Fri Jul 19 02:47:01 EDT 2024
STATUS

editing

proposed

#100 by Jarrod G. Sage at Fri Jul 19 02:35:36 EDT 2024
FORMULA

a(n) = A069894(n) - A000290(n+1). - Jarrod G. Sage, Jul 19 2024

STATUS

approved

editing

Discussion
Fri Jul 19 02:46
Jarrod G. Sage: Added a simple sequence equation.
#99 by Michel Marcus at Thu Jun 29 10:31:47 EDT 2023
STATUS

reviewed

approved

#98 by Michael De Vlieger at Thu Jun 29 09:57:58 EDT 2023
STATUS

proposed

reviewed

#97 by Michel Marcus at Mon Jun 26 13:12:54 EDT 2023
STATUS

editing

proposed

Discussion
Mon Jun 26 13:37
Stefano Spezia: Thanks Kevin and Michel for restoring the code and adding a comma

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Last modified August 29 06:09 EDT 2024. Contains 375510 sequences. (Running on oeis4.)