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Revision History for A289945 (Underlined text is an addition; strikethrough text is a deletion.)

Showing entries 1-10 | older changes
A289945 a(n) = Sum_{k=1..n} k!^4.
(history; published version)
#17 by Harvey P. Dale at Fri Jul 12 13:51:27 EDT 2019
STATUS

editing

approved

#16 by Harvey P. Dale at Fri Jul 12 13:51:24 EDT 2019
MATHEMATICA

Accumulate[(Range[15]!)^4] (* Harvey P. Dale, Jul 12 2019 *)

STATUS

approved

editing

#15 by Charles R Greathouse IV at Sun Jul 16 13:47:56 EDT 2017
STATUS

reviewed

approved

#14 by Joerg Arndt at Sun Jul 16 10:45:24 EDT 2017
STATUS

proposed

reviewed

#13 by Eric W. Weisstein at Sun Jul 16 10:37:12 EDT 2017
STATUS

editing

proposed

#12 by Eric W. Weisstein at Sun Jul 16 10:37:10 EDT 2017
COMMENTS

OnlyThe only prime in forthis n <= 3000sequence is a(2) = 17 since a(n) is divisible by 13 for n >= 12 and there are no other primes with n < 12.

#11 by Michel Marcus at Sun Jul 16 09:58:42 EDT 2017
PROG

(PARI) a(n) = sum(k=1, n, k!^4); \\ Michel Marcus, Jul 16 2017

STATUS

reviewed

editing

#10 by Joerg Arndt at Sun Jul 16 08:38:41 EDT 2017
STATUS

proposed

reviewed

#9 by Seiichi Manyama at Sun Jul 16 08:29:54 EDT 2017
STATUS

editing

proposed

#8 by Seiichi Manyama at Sun Jul 16 08:29:27 EDT 2017
LINKS

Seiichi Manyama, <a href="/A289945/b289945.txt">Table of n, a(n) for n = 1..144</a>

STATUS

approved

editing

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Last modified August 29 23:34 EDT 2024. Contains 375520 sequences. (Running on oeis4.)