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Revision History for A051798 (Underlined text is an addition; strikethrough text is a deletion.)

Showing entries 1-10 | older changes
A051798 a(n) = (n+1)*(n+2)*(n+3)*(9n+4)/24.
(history; published version)
#34 by Charles R Greathouse IV at Thu Sep 08 08:44:59 EDT 2022
PROG

(MAGMAMagma) /* A000027 convolved with A051682 (excluding 0): */ A051682:=func<n | n*(9*n-7)/2>; [&+[(n-i+1)*A051682(i): i in [1..n]]: n in [1..35]]; // Bruno Berselli, Dec 07 2012

Discussion
Thu Sep 08 08:44
OEIS Server: https://oeis.org/edit/global/2944
#33 by Jon E. Schoenfield at Thu Dec 27 00:15:18 EST 2018
STATUS

editing

approved

#32 by Jon E. Schoenfield at Thu Dec 27 00:15:13 EST 2018
REFERENCES

Murray R. Spiegel, Calculus of Finite Differences and Difference Equations, "Schaum's Outline Series", McGraw-Hill, 1971, pps pp. 10-20,, 79-94.

Herbert John Ryser, Combinatorial Mathematics, "The Carus Mathematical Monographs", No. 14, John Wiley and Sons, 1963, ppspp. 1-8.

STATUS

approved

editing

#31 by R. J. Mathar at Fri Jul 29 14:53:16 EDT 2016
STATUS

editing

approved

#30 by R. J. Mathar at Fri Jul 29 14:53:12 EDT 2016
LINKS

<a href="/index/Ps#pyramidal_numbers">Index to sequences related to pyramidal numbers</a>

STATUS

approved

editing

#29 by R. J. Mathar at Thu Jul 28 14:45:52 EDT 2016
STATUS

editing

approved

#28 by R. J. Mathar at Thu Jul 28 14:45:43 EDT 2016
FORMULA

a(n) = A080852(9,n). - R. J. Mathar, Jul 28 2016

STATUS

approved

editing

#27 by Charles R Greathouse IV at Wed Oct 07 15:58:38 EDT 2015
STATUS

editing

approved

#26 by Charles R Greathouse IV at Wed Oct 07 15:58:35 EDT 2015
PROG

(PARI) a(n)=(n+1)*(n+2)*(n+3)*(9*n+4)/24 \\ Charles R Greathouse IV, Oct 07 2015

STATUS

approved

editing

#25 by Charles R Greathouse IV at Sat Jun 13 00:50:03 EDT 2015
LINKS

<a href="/index/Rec#order_05">Index to sequencesentries withfor linear recurrences with constant coefficients</a>, signature (5,-10,10,-5,1).

Discussion
Sat Jun 13 00:50
OEIS Server: https://oeis.org/edit/global/2439

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Last modified August 30 04:38 EDT 2024. Contains 375526 sequences. (Running on oeis4.)